How much does it cost to fix boiler error code 2 pulses?

Typical repair cost for the boiler 2 pulses fault is £0-80 including labour.

2 pulses Low

Boiler Fault Code 2 pulses

Also written as 2PULSES — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 2 pulses appears across 1 boiler brand and 13 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has been left in a manual testing mode after a service or inspection and needs to be switched back to its normal operating setting. (As reported on Worcester Bosch Greenstar 12Ri)

Pick your boiler brand for the 2 pulses fix

Worcester Bosch 2 pulses 13 models

Source

Information for the 2 pulses 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