Comet Professional Series - Troubleshooting Tabl

TROUBLESHOOTING TABL
TROUBLES CAUSES SOLUTIONS
1 THE GENERATOR PRESSU-
RE DOES NOT INCREASE
- Resistance contactor
- Pressure switch
- Resistance
- Thermal resistance
- PT100 Thermal resistance
- Check the resistance contactor
- Check the pressure switch
- Check the resistance
- Check that the temperature is at
least 133°C
- Check
2
THE PUMP CANNOT RUN
2.1 It loads no water
2.2 Sound allarm
2.3 It does not run
- The water tank is empty
- Pump
- Check the electronic level
- Lack of water in the tank
- water solenoid valve
- Pump
- Water level probe
- Fill the tank
- Replace the pump
- Replace the solenoid valve
- Fill the tank
- Replace the pump
- Check and eventually replace it
- Clean the probe
3
THE SAFETY VALVE OPENS
REPEATEDLY
3.1 It keeps on
loading water
- Boiler water level probe
- Check the electronic level
- Pressure switch
- Resistance contactor
- Safety valve
- Clean the probe
- Replace it
- Replace the pressure switch
and check that the connection
copper tube is free from
incrustations.
- Replace the resistance contactor
- Replace the safety valve
EN
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