Beretta POWER PLUS 50 M Notice Installateur page 72

ENGLISH
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Troubleshooting
PROBLEM
Smell of gas
Smell of unburned gas
Irregular combustion
Delays in ignition with pulsating
operation of the burner
The boiler becomes dirty
in a short time
The burner does not start when
receiving the signal from the boi-
ler controller
72
CAUSE
Gas supply circuit
Flue gas circuit
Burner gas pressure
Diaphragm installed
Condition of the burner
and exchanger
Exchanger openings blocked
Fan fault
Burner gas pressure
Ignition electrode
Combustion
Gas valve
SOLUTION
Check the tightness of the joints
and that the pressure test points
are closed
Check:
- The tightness of the joints
- The absence of obstructions
- The quality of combustion
Check adjustment
Check diameter
Check they are clean
Check the openings are clean
Check operation
Check adjustment
Check positioning and condition
Check flame colour
Check combustion adjustments
Check that 230 Vac is present at
the terminals on the gas valve;
check wiring and connections