How much does it cost to fix boiler error code V/J?

Typical repair cost for the boiler V/J fault is £90-250 including labour.

V/J High

Boiler Fault Code V/J

Also written as VJ — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code V/J appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an issue with its electrical grounding or wiring, which is a safety mechanism that prevents electrical faults. (As reported on Ideal Falcon Gte)

Pick your boiler brand for the V/J fix

Ideal V/J 1 model

Source

Information for the V/J fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026