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Tag Archives: Vaillant

Vaillant Combi Boiler Error Codes

Vaillant Combi Boiler Error Codes

Index: Logical fault finding procedure Status codes Diagnostic codes Fault codes Fault memory Test programs 1-Logical Fault Finding Procedure: These checks must be carried out before attempting to use the fault finding guide. Carry out electrical safety checks. Check that the external electricity supply to the boiler is on, and …

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Vaillant Geothermal Heat Pump Error Codes

Vaillant Geothermal Heat Pump Error Codes

To call up the Error History, see ⇒ operating instructions. Five types of fault may occur, of which the first four are indicated by fault codes in the display: Faults on components which are connected via eBUS. Faults with a consequent temporary warning message The heat pump remains in operation …

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