06/2016 - Art. Nr. 4200 1041 1103A 37
Servicing
Menu 3: Fault memory
Entering a telephone number for the maintenance company and the
maintenance contract number
Continued: Fault diagnosis help signals:
The following message appears in the display for the last menu point:
Using , navigate to and confirm with the key to delete the fault memory.
You are now asked to confirm that you want to delete the fault memory.
Navigate to and confirm with the key to delete.
Navigate to and confirm with the key to quit and exit the menu.
Symbol Cause Symbol Cause Symbol Cause
Power supply fault
- min. supply
voltage not reached
Burner safety circuit
fault when starting
burner
Air pressure switch
malfunction during
burner operation
(decreased air
pressure switch signal)
- No combustion air
(fan has failed)
- Pressure switch
defective
- Pressure switch
incorrectly set
Boiler safety circuit
fault when starting
burner
Fuel oil pressure switch
malfunction
- No fuel oil pressure
- Pressure switch
defective
- Pressure switch
incorrectly set
- Pump defective
- Fault in fuel oil supply
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