How much does it cost to fix boiler error code Too Many Restarts?

Typical repair cost for the boiler Too Many Restarts fault is £150-350 including labour.

Too Many Restarts High

Boiler Fault Code Too Many Restarts

Also written as TOOMANYRESTARTS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code Too Many Restarts appears across 2 boiler brands and 15 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has attempted to restart itself multiple times in a short window because it keeps encountering a recurring problem, and it has now locked itself out to prevent damage. (As reported on Keston C30 / C35)

Pick your boiler brand for the Too Many Restarts fix

Ideal Too Many Restarts 11 models Keston Too Many Restarts 4 models

Source

Information for the Too Many Restarts 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 31 August 2026