How much does it cost to fix boiler error code Compressor Start Error?

Typical repair cost for the boiler Compressor Start Error fault is £250-600 including labour.

Compressor Start Error High

Boiler Fault Code Compressor Start Error

Also written as COMPRESSORSTARTERROR — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Compressor Start Error 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 heat pump is unable to turn on its main cooling engine, which means your system cannot generate heat or hot water right now. (As reported on Ideal HP290)

Pick your boiler brand for the Compressor Start Error fix

Ideal Compressor Start Error 1 model

Source

Information for the Compressor Start Error 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 7 July 2026