Troubleshooting - Beretta POWER MAX 50 P DEP Installation And Operation Manual

3 11 Troubleshooting

FAULT
There is a smell of gas
Odour of unburnt gas
Irregular combustion
Ignition delays with pulsations to
the burner
The modular system becomes dirty
very quickly
The burner does not start upon con-
sent of the modular system control
The modular system does not start
The modular system does not arrive
at temperature
The generator triggers a thermal
safety block
The generator is at temperature but
the heating system is cold
The circulator does not start
Frequent tripping of the system
safety valve
Frequent tripping of the system
safety valve
Frequent tripping of the system
safety valve
CAUSE
Gas supply circuit
Flue gas circuit
Burner gas pressure
Diaphragm installed
Clean the burner and exchanger
Exchanger passages obstructed
Faulty fan
Burner gas pressure
Ignition electrode
Combustion
Gas valve
No electric power supply (no mes-
sage on the display)
Boiler dirty
Burner capacity insufficient
Modular system adjustment
No water
Modular system adjustment
Presence of air in the system
Pump malfunctioning
Pump malfunctioning
System safety valve
Incorrect circuit pressure
CH expansion vessel
SOLUTION
- Check the seal of the gaskets and
the closure of the pressure tapping
points
- Check the gasket seals
- Make sure there are no obstructions
- Check the combustion quality
- Check the temperature setting
- Check the diameter
- Check the conditions
- Check passage cleaning
- Check operation
- Check the temperature setting
- Check the positioning and conditions
- Check the combustion controls
- Check for the presence of 230Vac
voltage on the gas valve terminals,
check wiring and connections
- Check the electric connections
- Check the condition of the fuse
- Clean the combustion chamber
- Check and adjust the burner
- Check correct functioning
- Check the temperature setting
- Check correct functioning
- Check the temperature setting
- Check the electrical wiring
- Check the position of the sensor
bulbs
- Check the bleed valve
- Check the heating circuit pressure
- Bleed the system
- Check/unseize the pump
- Replace the circulator
- Check the electrical connection of
the circulator
- Check/unseize the pump
- Replace the circulator
- Check the electrical connection of
the circulator
- Check calibration or efficiency
- Check the circuit pressure
- Check pressure reducer functioning
- Check the efficiency of the expansion
vessel
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