Chef cooking CFE547WBB User Manual page 17

Gas conversion instructions
Fault Finding
PROBLEM POSSIBLE CAUSES
Burner will not light Gas not turned on
Air not purged from gas pipes
Ignition source not operating
Burner flames are Incorrect Gas Injector size
very big and/or very
yellow
Hob burner crown and/or cap not correctly
set in place
Gas Oven injector holder not set in place or
pipe bent at oven injector holder
Incorrect gas pressure
Burner flames are Incorrect Gas Injector size
small when gas valve
on high
Incorrect gas pressure
Burner flames are Hob burner crown and/or cap not correctly
uneven - Gas Hob set in place
Burners
Gas injector not screwed in correctly
Burner flames Gas injector not screwed in correctly
are uneven - Gas
Air shutter incorrect or not set in place
Separate Grill
correctly or not present at all
Burner flames are Burner flames on the left is higher than the
uneven - Gas Oven right side flames as looking at the oven
Gas injector not screwed in correctly or Gas
injector holder not fitted correctly
No ignition spark Wires disconnected at the back of piezo
ignitor (piezo ignition only)
Wires disconnected at the back of switch
(240V)
No 240V power
WHAT TO DO
Check supply
Purge gas pipe to appliances
Keep gas valve open for a longer time while keeping
ignition source present at that burner
Check appliance is plugged in and 240V power
supply is available
Check spark at burner (Gas Oven and Gas Separate
Grill only with piezo ignition)
Attempt to light burner with gas match to confirm
presence of fuel gas
Check injector against requirement in gas injector
table for the required gas type
Check that hob burner crown is seated in base and
cap is seated on the burner crown
Check oven injector holder is fully in the receptacle
of the oven burner, adjust pipe to burner assembly to
give blue flame
Check Gas Regulator outlet pressure at Test Point on
Gas Regulator
Check Gas Regulator inlet supply pressure
Check that Gas Regulator conversion instructions have
been followed correctly
Check injector against requirement in gas injector
table for the required gas type
Check Gas Regulator outlet pressure at Test Point on
Gas Regulator
Check Gas Regulator inlet supply pressure
Check that Gas Regulator conversion instructions have
been followed correctly
Check that hob burner crown is seated in base and
cap is seated on the burner crown
Check that Gas Injector orifice is pointing straight up
Check that Gas Injector orifice is pointing straight up
Check fitment of gas shutter and that the gas shutter is
the correct one for the gas type being used
This is normal. No action required
Check that Gas Injector is fitted correctly, and injector
assembly is inserted into burner
Remove control panel and check wiring
Turn off and disconnect from 240V outlet, then
remove control panel to check no wires have become
disconnected
Check whether power supply is available and turn on
Chef 540 Upright Cooker 17