John Lewis Cooktop JLBIGGH605 User Manual

JLBIGGH605  
Gas hob  
Instruction manual  
GB  
 
z
Unstable or misshapen pans should not  
be used on the hob as unstable pans can  
cause an accident by tipping or spillage.  
Environmental  
Information  
z
z
z
Never leave the hob unattended when  
cooking with oil and fats.  
z
After installation, please dispose of the  
packaging with due regard to safety and  
the environment.  
Never use plastic or aluminium foil dishes  
on the hob.  
z
When disposing of an old appliance, make  
it unusable, by cutting off the cable.  
Perishable food, plastic items and aerosols  
may be affected by heat and should not  
be stored above or below the hob unit.  
z
The symbol  
on the product or on its  
z
This appliance is not connected to a  
combustion products evacuation device.  
It must be installed and connected in  
accordance with current installation  
regulations. Particular attention shall be  
given to the relevant requirements  
regarding ventilation.  
packaging indicates that this product may  
not be treated as household waste. Instead  
it shall be handed over to the applicable  
collection point for the recycling of  
electrical and electronic equipment. By  
ensuring this product is disposed of  
correctly, you will help prevent potential  
negative consequences for the  
environment and human health, which  
could otherwise be caused by  
inappropriate waste handling of this  
product. For more detailed information  
about recycling of this product, please  
contact your local city office, your  
household waste disposal service or the  
shop where you purchased the product.  
z
Ensure a good ventilation around the  
appliance. A poor air supply could cause  
lack of oxygen.  
Maintenance and  
Cleaning  
z
For cleaning, the appliance must be  
switched off and cooled down.  
z
For safety reasons, the cleaning of the  
appliance with steam jet or high pressure  
cleaning equipment is not permitted.  
Service  
z
This hob should only be repaired or  
serviced by an authorised Service Engineer  
and only genuine approved spare parts  
should be used.  
These instructions are only valid for countries whose identification symbols are shown in the  
cover of this instruction booklet and on the appliance itself.  
Keep this instruction book for future reference and ensure it is passed on to  
any new owner.  
3
 
Contents  
Important Safety Information ............ 2  
Description of the Hob ................................ 5  
Instructions for the Installer ............. 6  
Installation ....................................................... 6  
Gas Connection ............................................. 6  
Engineer technical data ................................ 7  
Electrical Connections .................................. 8  
Wiring diagram .............................................. 9  
Fault Finding.................................................. 10  
Commissioning ............................................. 12  
Conversion from Natural Gas to LPG .... 13  
Building In...................................................... 14  
Fitting the Hob into theWorktop ............ 15  
Important safety requirements .................. 16  
Instructions for the User................... 1 8  
Operation ...................................................... 18  
Cleaning the hob ......................................... 20  
Something NotWorking? ........................... 22  
Repairs -After Sales Service ...................... 23  
Guide  
to  
Use  
the  
instructions  
The following symbols will be found in the text  
to guide you throughout the Instructions:  
Safety Instructions  
Step by step instructions  
for an operation  
)
Hints and Tips  
This appliance complies with the  
following E.E.C. Directives:  
Environmental  
information  
*
*
*
2006/95  
(LowVoltageDirective);  
2004/108 (Electromagnetical  
Compatibility Directive);  
90/396 (Gas Appliances),  
and subsequent modifications.  
John Lewis Partnership  
171Victoria Street  
London SW1E 5NN  
4
 
Description of the Hob  
2
3
2
1
4
8
7
6
5
1 . Hob Top  
2 . Semi-rapid Burner  
3 . Rapid Burner  
4 . Auxiliary Burner  
5 . Control knob for front left burner (auxiliary)  
6 . Control knob for back left burner (rapid)  
7 . Control knob for back right burner (semi-rapid)  
8 . Control knob for front right burner (semi-rapid)  
5
 
Instructions for the Installer  
Installation  
IMPORTANT: This hob must be  
installed according to the instruction  
supplied, and by qualified and  
competent personnel to the relevant  
National Standards.  
Any gas installation must be carried  
out by a GAS SAFE REGISTER installer.  
The manufacturer will not accept liability,  
should the above instructions or any of the  
other safety instructions incorporated in this  
book be ignored.  
On the end of the shaft, which includes the  
G 1/2" threaded elbow, adjustment is fixed  
so that the washer is fitted between the  
components as shown in the diagram. Screw  
the parts together without using excessive  
force.  
A) End of shaft with nut  
B) Washer  
C) Elbow  
It is important to install the elbow  
correctly,with the shoulder on the end  
of the thread, fitted to the hob  
connecting pipe.  
Gas Connection  
Failure to ensure the correct assembly  
will cause leakage of gas.  
Connection to the gas supply should be with  
either rigid or semi-rigid pipe, i.e. steel or  
copper.  
The connection should be suitable for  
connecting to R 1/2” (1/2 BSP male thread).  
When the final connection has been made, it  
is essential that a thorough leak test is carried  
out on the hob and installation.  
Ensure that the main connection pipe does  
not exert any strain on the hob.  
When the hob is first  
installed  
Once the hob has been installed, it is  
important to remove any protective  
materials, which were put on in the  
factory. The manufacturer will not  
accept liability, should the above  
instructions or any of the other safety  
instructions incorporated in this book  
be ignored.  
6
 
O
           
V
           
              
E
              
                
R
                
                  
A
                  
                     
L
                     
                       
L
                       
                          
D
                           
                             
I
                             
                              
M
                               
                                 
E
                                  
                                   
N
                                    
                                       
S
                                       
                                        
I
                                        
                                         
O
                                          
                                             
N
                                             
                                                
S
                                                
Engineer technical data  
HEATING ELEMENTS RATING  
Width:  
Depth:  
590 mm  
520 mm  
Rear Right Burner  
(semi rapid)  
1.9 kW  
(6483 BTU/HR)  
Front Right Burner  
(semi rapid)  
1.9 kW  
(6483 BTU/HR)  
DIMENSIONS OF THE HOB CAVITY  
Width:  
Depth:  
560 mm  
480 mm  
Rear Left Burner  
(rapid)  
2.9 kW  
(9895 BTU/HR)  
SUPPLY CONNECTIONS  
Front Left Burner  
(auxiliary)  
1.0 kW  
(3413 BTU/HR)  
Gas:  
R 1/2 inch (1/2 inch male) Rear right hand  
corner  
Electric:  
Burner  
Dia. Tap  
By-pass  
230 V~ 50 Hz supply, 3 core flexible cable  
with non rewireable plug fitted with a 3  
amp cartridge fuse.  
1/100 mm  
Auxiliary  
Semi-rapid  
Rapid  
28  
32  
42  
APPLIANCE CLASS  
3
APPLIANCE CATEGORY  
II2H3+  
Aeration adjustment none  
GAS SUPPLY  
G20 (2H) 20 mbar  
BURNER  
POSITION  
RAPID  
SEMI-RAPID AUXILIARY  
TYPE OF GAS  
MAX MIN MAX MIN MAX MIN  
NOMINALTHERMAL  
POWER  
kW  
2.9 0.75 1.9 0.45 1.0 0.33  
NATURAL GAS  
20 mbar  
NOMINALFLOW  
RATE  
m3/h 0.276 0.062 0.181 0.043 0.095 0.031  
119 Adjust. 96 Adjust. 70 Adjust.  
VALUE =  
37.78 MJ/m3  
Ws - 50.7 MJ/ m  
NOZZLEREFERENCE  
1/100mm  
3
NOMINALTHERMAL  
POWER  
LPG GAS  
28-30/37 mbar  
VALUE =  
kW  
2.7 0.75 1.9 0.45 1.0 0.33  
196 46.8 138 32.4 73 23.8  
NOMINALFLOW  
RATE  
g/h  
49.92 MJ/Kg  
NOZZLEREFERENCE  
1/100mm  
86  
42  
71  
32  
50  
28  
7
 
Electrical Connections  
THIS HOB MUST BE EARTHED.  
Green andYellow - Earth  
- Neutral  
- Live  
Blue  
Brown  
Any electrical work required to install  
this hob should be carried out by a  
qualified electrician or competent  
person, in accordance with the current  
regulations.  
— Connect the green and yellow  
(earth) wire to the terminal in the  
plug which is marked with the letter  
)
Electrical Requirements  
'E' or the earth symbol  
coloured green and yellow.  
or  
Any permanent electrical installation must  
comply with the latest I.E.E. Regulations and  
local Electricity Board regulations. For your  
own safety this should be undertaken by a  
qualified electrician, e.g. your local Electricity  
Board, or a contractor who is on the roll of  
the National Inspection Council for Electrical  
Installation Contracting (NICEIC).  
— Connect the blue (neutral) wire to  
the terminal in the plug which is  
marked with the letter 'N' or  
coloured black.  
— Connect the brown (live) wire to  
the terminal in the plug which is  
marked with the letter 'L' or  
coloured red.  
Electrical Connections  
Thishobisdesignedtobeconnectedtoa230  
V 50 Hz AC electrical supply.  
Beforeswitchingon,makesuretheelectricity  
supply voltage is the same as that indicated  
on the hob rating plate. The rating plate is  
located on the bottom of the hob. A copy is  
attached on the back cover of this book.  
Upon completion there must be no cut, or  
stray strands of wire present and the cable  
clamp must be secure over the outer sheath.  
A cut off plug inserted into a 13  
amp socket is a serious safety  
(shock) hazard. Ensure that the  
cut off plug is disposed of safely.  
Permanent Connection  
The hob is supplied with a 3 core flexible  
supply cables.  
In the case of a permanent connection, it is  
necessary that you install a double pole switch  
between the hob and the electricity supply  
(mains), with a minimum gap of 3 mm between  
the switch contacts and of a type suitable for  
the required load in compliance with the  
current electric regulations.  
This has to be provided with a proper plug,  
able to support the load marked on the  
identification plate.To connect the plug to the  
cable, follow the recommendation given in  
diagram aside. The plug has to be fitted in a  
proper socket.  
The switch must not break the yellow and  
green earth cable at any point.  
In the event of having to change the fuse, a  
3amp ASTA approved (BS 1362) fuse must  
be used.  
Should the plug need to be replaced for any  
reason, the wires in the mains lead are  
coloured in accordance with the following  
code:  
Ensure that the hob supply cable  
does not come into contact with  
surfaces with temperatures  
higher than 50 deg. C.  
8
 
Supply cable replacement  
The cable used to connect the hob to the  
electrical supply must comply to the  
specifications given below.  
Min. size Cable/flex  
0.75 mm2  
                                               
C
                                               
                                                  
a
                                                  
                                                    
b
                                                    
                                                      
l
                                                      
                                                       
e
                                                       
                                                          
/
                                                           
                                                             
f
                                                             
                                                              
l
                                                               
                                                               
e
                                                                
                                                                 
x
                                                                  
                                                                     
t
                                                                     
                                                                       
y
                                                                       
                                                                        
p
                                                                        
                                                                          
e
                                                                          
                                                                                
F
                                                                                 
                                                                                  
u
                                                                                   
                                                                                     
s
                                                                                     
                                                                                      
e
                                                                                      
H05 V2V2-F (T90)  
3 A  
The manufacturer declines any liability  
should these safety measures not be  
observed.  
Neutral  
Earth (yellow/green)  
Wiring diagram  
9
 
Fault Finding  
Preliminary Electrical  
Systems Check  
Blue  
Brown  
Green  
START  
Isolate appliance  
and carry out:  
A: Earth Continuity  
check.  
Blue  
Green  
Brown  
Electricity supply  
should now be  
satisfactory.  
Carry out:  
B: Insulation  
check.  
YES  
NO  
A. EARTH CONTINUITY CHECK  
Appliance must be electrically disconnected -  
meter set on W (Ohms) x 1 scale and adjust  
zero if necessary.  
Has inlet fuse blown?  
NO  
a) Test leads from any appliance earth point to  
earth pin on plug. Resistance should be less than  
0.1W (Ohm),check all earth wires for continuity  
and all contacts clean and tight.  
YES  
B. INSULATION CHECK  
Appliance electrically disconnected, all switches  
ON.  
Inlet wiring  
faulty.  
Rectify any  
fault.  
a) meter set onW (Ohms) x 1 scale.  
leads from L to N in appliance terminal block. If  
meter reads «0» then there is a short circuit.  
Test  
b) meter set onW (Ohm) x 100 scale.  
Repeat test with leads from L to E. If meter reads  
less than ¥ (infinity) there is a fault.  
NOTE - Should it be found that the fuse has  
failed but no fault is indicated - a detailed  
continuity check (i.e. by disconnecting and  
checking each component) is required to trace  
the faulty component.  
Isolate appliance and  
carry out:  
B: Insulation check.  
Rectify any fault  
It is possible that a fault could occur as a result  
of local burning/arcing but no fault could be  
found under test. However a detailed visual  
inspection should reveal evidence of burning  
around the fault.  
including replacing  
fuses as necessary.  
10  
 
Ignition System / Gas  
Ignition  
YES  
Check gas supply at  
burner  
Ignitor does not spark  
NO  
Check plug top fuse and  
replace if necessary  
Light burner manually  
Check polarity and earth  
continuity of supply point  
Check by pass simmer  
adjusted  
Check fitting  
of burners  
Check position of the  
electrode  
Check earth continuity  
of appliance  
Check continuity from the tip of  
each electrode to the terminals 1  
to 4 on the ignitor unit  
Check continuity from 'N' on the  
mains connector block and "O" on  
the ignitor unit  
Check continuity from 'L' on the  
mains connector block and the  
taps ignition switches  
Check for breaks in the  
insulation of the HT leads  
Check continuity from ignition  
switches connector to ignitor unit  
Change the ignitor unit  
11  
 
Commissioning  
When the hob has been fully installed it will  
be necessary to check the minimum flame  
setting.  
To do this, follow the procedure below.  
z
z
Turn the gas tap to the MAX position and  
ignite.  
Set the gas tap to the MIN flame position  
then turn the control knob from MIN to  
MAX several times. If the flame is unstable  
or is extinguished follow the procedure  
below.  
Procedure:  
1) Re-ignite the burner and set to MIN.  
)
2) Remove the control knob.  
3) To adjust, use a thin bladed  
screwdriver and turn the  
adjustment screw (see diagram)  
until the flame is steady and does  
not extinguish, when the knob is  
turned from MIN to MAX. Repeat  
this procedure for all burners.  
Minimum adjustment screw  
Pressure testing  
The pressure testing must be carried out on  
the burners.  
Proceed as follows:  
)
1) Remove the pan supports and the  
burner caps and crowns.  
2) Fit manometer tube over the  
injector.  
3) Turn on the burner gas supply and  
ignite another burner supply.  
The pressure reading should be  
nominally 20 mbar and must be  
between 17 mbar and 25 mbar.  
4) Turn off the burner supplies.  
12  
 
Conversion from Natural  
Gas to LPG  
IMPORTANT:  
                                            
T
                                             
                                               
h
                                               
                                                 
e
                                                 
                                                    
r
                                                     
                                                      
e
                                                      
                                                        
p
                                                        
                                                          
l
                                                          
                                                          
a
                                                           
                                                            
c
                                                            
                                                              
e
                                                              
                                                               
m
                                                                
                                                                  
e
                                                                  
                                                                    
n
                                                                    
                                                                      
t
                                                                      
                                                                       
/
                                                                       
conversion from natural gas to  
LPG should only be undertaken  
by a competent person.  
It is important to note that this model is  
designed for use with natural gas but can be  
converted for use with butane or propane  
gas providing the correct injectors are fitted.  
The gas rate is adjusted to suit.  
Proceed as follows:  
)
1) Ensure that the gas taps are in the  
'OFF' position  
2) Isolate the hob from the electricity  
supply  
3) Remove all pan supports, burner  
caps, rings, crowns and control  
knobs.  
4) With the aid of a 7mm box  
spanner the burner injectors can  
then be unscrewed and replaced  
by the appropriate LPG injectors.  
To adjust the gas rate:  
With the aid of a thin bladed  
screwdriver completely tighten down  
the by pass adjustment screw. Upon  
completion stick the replacement  
rating plate on the under side of the  
hob.  
13  
 
Building in  
IMPORTANT: This hob must be  
1
installed according to the instruction  
supplied, and by qualified and  
competent personnel to the relevant  
National Standards.  
ON/OFF SWITCH  
Please ensure that when the hob is  
installed it is easily accessible for the  
engineer in the event of breakdown.  
FLEX  
OUTLET  
Building over a cupboard  
or drawer  
If the hob is to be installed above a cupboard  
or drawer it will be necessary to fit a heat  
resistant board below the base of the hob on  
the underside of the work surface.  
ON/OFF SWITCH  
It is also recommended to carry out the  
electrical connection to the hob as shown in  
diagrams 1 and 2.  
2
FLEX  
OUTLET  
14  
 
Building over a kitchen  
unit with door  
Dimensions are given in mm.  
Proper arrangements must be taken in  
designing the furniture unit, in order to avoid  
any contact with the bottom of the hob which  
can be heated when it is operated. The  
recommended solution is shown in diagram  
3.  
3
The panel fitted under the hob ("a") should  
be easily removable to allow easy access if  
technical assistance is needed. The space  
behind the kitchen unit ("b") can be used for  
connections.  
Fitting the Hob into the  
Worktop  
Before fitting the hob into the cut out, an  
adhesive seal must be fitted to the underside  
outside edge of the hob. It is essential that no  
gaps are left in this seal in order to prevent  
spillage near the hob seeping into the cabinet  
below.  
4
5
A
1) Remove the pan supports, the  
burners caps and crowns and turn  
the hob upside down, taking care  
the ignition candles are not  
damaged in this operation.  
2) Place the sealing gasket all around  
the glass top edge as shown in  
diagram 4.  
3) Fit the hob in the cut out and push  
it down until the glass top and the  
working top make contact, as  
shown in diagram 5.  
A) Sealing gasket  
15  
 
Important safety requirements  
This hob must be installed in accordance  
with the Gas Safety (Installation and Use)  
Regulations (Current Edition) and the IEE  
Wiring Regulations (Current Edition).  
For appliances installed in the Republic of  
Ireland please refer to NSAI- Domestic Gas  
Installation I.S. 813 Current Editions and the  
ETCI Rules for Electrical Installations.  
Provision for Ventilation  
Detailed recommendations are contained in  
the following British Standards Codes Of  
Practice: B.S. 6172/ B.S. 5440, Par. 2 and B.S.  
6891 Current Editions.  
The hob should not be installed in a bed  
sitting room with a volume of less than 20  
m3. If it is installed in a room of volume less  
than 5 m3 an air vent of effective area of 100  
cm2 is required. If it is installed in a room of  
volume between 5 m3 and 10 m3 an air vent  
of effective area of 50 cm2 is required, while  
if the volume exceeds 11 m3 no air vent is  
required.  
However,if the room has a door which opens  
directly to the outside no air vent is required  
even if the volume is between 5 m3 and 11  
m3.  
If there are other fuel burning appliances in  
the same room, B.S. 5440 Part 2 Current  
Edition, should be consulted to determine  
the requisite air vent requirements.  
For appliances installed in the Republic of  
Ireland please refer to the NSAI- Domestic  
Gas Installation I.S.813 Current EditionsTable  
Four.  
16  
 
Location  
The hob may be located in a kitchen, a  
kitchen/diner or bed sitting room, but not in  
a bathroom or shower room.  
600  
M
IN  
.
Ensure that there is a minimum distance of  
55 mm between the rear cut out edge and  
the wall.  
A minimum distance of 450 mm must be left  
between the side edges of the cut out and  
any adjacent cabinets or walls.  
The minimum distance combustible material  
can be fitted above the hob in line with the  
edges of the hob is 400 mm. If it is fitted  
below 400 mm a space of 50 mm must be  
allowed from the edges of the hob.  
The minimum distance combustible material  
or a cooker hood can be fitted above the  
hob is 650 mm.  
17  
 
Instructions for the User  
Operation  
For easier lighting, proceed  
before putting a pan on the pan  
support.  
To light a burner:  
)
z
push in the relevant control and turn  
it to maximum position.  
z
Upon ignition, keep the knob pushed  
down about 5 seconds. This will  
allow the "thermocouple" (Fig. 1 -  
letter D) to be heated and the safety  
device to be switched off, otherwise  
the gas supply would be interrupted.  
z
z
Then adjust the flame as required.  
If the burner does not ignite, turn the  
control knob to zero, and try again.  
If the burner accidentally goes out,  
turn the control knob to the “off”  
position and wait for at least 1  
minute before trying to light the  
burner again.  
Fig. 1  
A - Burner cap  
B - Burner crown  
C - Ignition electrode  
D -Thermocouple  
Do not keep the control knob  
pressed for more than  
15  
seconds. If the burner does not  
light even after 15 seconds,  
release the control knob, turn  
it to the "off" position and wait  
for at least 1 minute before  
trying to light the burner again.  
If you use a saucepan which is  
smaller than the recommended  
size, the flame will spread  
beyond the bottom of the vessel,  
causing the handle to overheat.  
Take care when frying food in  
hot oil or fat, as the overheated  
splashes could easily ignite.  
18  
 
As soon as a liquid starts boiling, turn  
down the flame so that it will barely  
keep the liquid simmering.  
If the control knobs become difficult  
to turn, please contact your local  
Service Force Centre.  
When switching on the mains, after  
installation or a power cut, it is quite  
normal for the spark generator to be  
activated automatically.  
In the absence of electricity, ignition  
can occur without the electrical device;  
in this case, approach the burner with  
a flame, push the relevant knob down  
and turn it anti-clockwise until it  
reaches the “maximum” position.  
Using the hob correctly  
To ensure maximum burner efficiency, it is  
stronglyrecommendedthatyouuseonlypots  
and pans with a flat bottom fitting the size of  
the burner used, so that flame will not spread  
beyond the bottom of the vessel (see the  
table).  
Burner  
minimum maximum  
diameter diameter  
Large (rapid)  
Medium (semi-rapid)  
rear  
front  
Small (auxiliary)  
180 mm  
260 mm  
120 mm  
120 mm  
80 mm  
220 mm  
220 mm  
180 mm  
Use only pans or pots with flat bottom.  
The stainless steel can become  
tarnished if excessively heated.  
Therefore prolonged cooking with  
potstones, earthenware pans or cast-  
iron plates is inadvisable.Also, do not  
use aluminium foil to protect the top  
during use.  
Make sure pots do not protrude over  
the edges of the cooktop and that they  
are centrally positioned on the rings  
in order to obtain lower gas  
consumption.  
Do not place unstable or deformed  
pots on the rings: they could tip over  
or spill their contents, causing  
accidents.  
Pots must not enter the control  
zone.  
19  
 
Cleaning the hob  
Before any maintenance or  
cleaning can be carried out, you  
must DISCONNECT the hob  
from the electricity supply.  
The hob is best cleaned whilst  
it is still warm, as spillage can  
be removed more easily than if  
it is left to cool.  
This  
appliance  
cannot  
be  
cleaned with steam or with a  
steam cleaning machine.  
The Hob Top  
Regularly wipe over the hob top using a soft  
cloth well wrung out in warm water to which a  
little wasing up liquid has been added.  
Avoid the use of the following:  
- household detergent and bleaches;  
- impregnated pads unsuitable for non-stick  
saucepans;  
- steel wool pads;  
- bath/sink stain removers.  
Should the hob top become heavily soiled, the  
following products are recommended:  
-Forstainlesssteelhobsuseaproprietarystainless  
steel cleaner.  
- For other hobs use Hob Brite or Bar Keepers  
Friend.  
Do not leave acid or alkaline  
substances (e.g. vinegar, salt,  
lemon juice, etc.) on the  
cooktop.  
Pan Supports  
The pan supports are not  
dishwasher proof; they must be  
washed by hand. Take care when  
drying them as the enamelling process  
20  
 
occasionally leaves rough edges. If  
necessary, remove stubborn stains  
using a paste cleaner.  
After cleaning, make sure that the pan  
supports are correctly positioned.  
To keep the pan supports in the correct  
position, they are mounted on metal pins  
located in the lateral sides of the hob. To  
ensure a better cleaning, pan supports can be  
removed from the hob. Lift up the pan  
suports keeping them in horizontal position  
as shown in figure 2.  
YES  
Avoid lifting the pan supports at  
an angle, as this will put strain  
on the metal pins. This may  
damage the pins and cause them  
to break.  
NO  
Pay attention when replacing the  
pan supports in order to avoid  
in order to avoid scratching the  
glass hob top.  
The Burners  
The burner caps and crowns can be removed  
for cleaning.  
Wash the burners caps and crowns using hot  
soapy water, and remove marks with a mild  
paste cleaner. A well moistened soap  
impregnated steel wool pad can be used with  
caution, if the marks are particularly difficult  
to remove.  
After cleaning, be sure to wipe dry with a soft  
cloth.  
The Ignition electrode  
Fig. 2  
The electric ignition is obtained through a  
ceramic electrode which contains a metal  
electrode (Fig. 1 - C). Keep these  
components very clean, to avoid difficult  
lighting, and check that the burner crown  
holes (Fig. 1 - B) are not obstructed.  
21  
 
Something Not Working?  
If the hob is not working correctly,please carry  
out the following checks before contacting  
your local Service Force Centre.  
SYMPTOM  
SOLUTION  
There is no spark when lighting  
the gas.  
Check that the unit is plugged in and  
the electrical supply is switched on.  
Check that the RCCB has not  
tripped (if fitted).  
Check the mains fuse has not blown.  
Check the burner cap and crown  
have been replaced correctly, e.g.  
after cleaning.  
Check the main jet is not blocked  
and the burner crown is clear of  
food particles.  
Check the burner cap and crown  
have been replaced correctly, e.g.  
after cleaning.  
The gas ring burns unevenly.  
If after all these checks, your hob still does  
not operate correctly, contact your local  
Service Force Centre.  
Please note that it will be necessary to provide  
proof of purchase for any in-guarantee service  
calls.  
In-guarantee customers should ensure that  
the above checks have been made as the  
engineer will make a charge if the fault is not  
a mechanical or electrical breakdown.  
22  
 
Repairs - After Sales Service  
If your hob is not performing satisfactorily;  
consult the fault finding guide within this  
instruction book (Something not working on  
the previous page). In the event of a fault  
occurring which you cannot resolve yourself  
from advice given within this instruction  
manual.  
Your first step is to contact our extended  
warranty administrators on 0870 0107887  
who will give you details of your local Service  
Force repair agent.  
When contacting Service Force, please quote  
the model (Mod.) and serial number (S.N.).  
These details have been provided separately  
within the pack containing this instruction  
manual.  
So that you always have these numbers at  
hand, we recommend you to make a note of  
them here:  
Mod. : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
PNC : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
S.N. : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Your hob is covered by a 3 year parts and  
labour guarantee (see separate details given  
at point of sale). Please retain your purchase  
receipt safely for the service engineer to verify  
the purchase details.  
Spare parts  
This product should be serviced by an  
authorised service engineer, and only genuine  
spare parts should be used.  
Under no circumstances should you attempt  
to repair the hob yourself.  
Repairs carried out by inexperienced persons  
may cause injury or serious malfunctioning.  
Contact our extended warranty  
administrators on 0870 0107887 who will  
give you details for your local Service Force  
repair agent.  
Always insist on genuine spare parts.  
23  
 
John Lewis Partnership  
171Victoria Street  
London SW1E 5NN  
ANC 39712-0102  
04/09 R.A.  
 

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