ENGLISH
29
7 TROUBLESHOOTING
The appliance should be inspected by a qualified professional at least once a year to ensure it is operating correctly, prolong its life and
make sure safety is optimised. This would normally involve:
- removing any rust on the burners;
- removing any build-up on the electrode;
- cleaning the combustion chamber;
- checking that the appliance switches on and off and operates correctly;
- checking fan operation;
- checking the air pressure switch;
- checking the flue outlets and air intake pipes.
b
The following instructions are addressed solely to qualified technicians authorised to work on the appliance.
CAUSE
SOLUTION
PROBLEM
Ignition/flame detection electrode
broken
Burner does not come on
Check – replace
Electrode cable cut off
Check – replace
Circuit board does not detect flame
Main solenoid valve does not open
Check connector contacts and if
necessary replace the board
Check and replace if necessary
Specific inlet/outlet pipes not inserted
correctly
Repeated attempts to turn on
Check and repair
Inlet/outlet pipe not installed correctly
Burner flame inconsistent and appli-
ance then switches off
Check pipe seal
For LPG models, check the gas sup-
ply pressure
Burner does not switch off when wa-
ter shut off
Adjust and if necessary replace the
cylinder pressure regulator
Flow switch fault Replace
No electric power supply Connect to the mains
No gas power supply Turn the gas on
Air in the gas pipe
Green light off
Vent
Call the Support Centre
Water heater does not switch on
No spark but fan operating
Pressure switch fault
Pressure switch tube not connected
or cut
Ignition/flame detection electrode
broken
Electrode cable cut off
Circuit board does not detect flame
Main solenoid valve does not open
Replace
Check – replace – insert
Replace
Replace – disconnect
Check – fix
Check – fix
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