Fault Codes - NOVARDEN NSH35s Installations- Und Benutzerhandbuch

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Troubleshooting
NOTE: If you notice any of the following situations, stop the appliance and
immediately switch it off using the main switch. Contact your professional fitter in
case of an unexpected power cut or if the fuse or circuit breaker trip regularly.

Fault codes

Error code Failure description
PP1 Inlet water temperature sensor failure
PP2 AIN2 connected temperature sensor failure
PP3 AIN3 connected temperature sensor failure
PP4 Gas return temperature sensor failure
PP5 Exterior temperature sensor failure
PP7 Exterior temperature too low
EE1 System pressure too high
EE2 System pressure too low
EE3 Water flow switch failure
18