TECHNICAL ASSISTANCE SERVICE
50
TROUBLESHOOTING
SOLUTION
FAULT
CAUSE
There is a smell of gas.
Check that all joints are tight and
that the pressure measurement
points are closed.
Leaks from the supply circuit.
Combustion is uneven.
Check setting.
Check condition.
Check cleanliness of pipes.
Check functioning.
Incorrect gas pressure at burner.
Burner and heat exchanger
need cleaning.
Heat exchanger pipes obstructed.
Fan malfunctioning.
There is a smell of
combustion fumes.
Check:
- That all joints are tight.
- That the flues are not
obstructed.
- That combustion is efficient.
There is a smell of combustion
fumes.
Boiler does not start up.
Check:
- electrical connections.
- fuse.
No electrical power
(green LED off).
Ignition is slow and the
burner pulses.
Check setting.
Check position and condition.
Incorrect gas pressure at burner.
Problem with the ignition electrode.
Boiler gets dirty very quickly.
Check colour of flame.
Check combustion settings.
Inefficient combustion.
Problem with gas valve.
Check presence of 230Vac at
terminals of gas valve. Check
wiring and connections.
Burner does not start on
signal from control panel.
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