BoilerFaultCodes DRIFT TEST WAITING Low
Boiler Fault Code DRIFT TEST WAITING
Also written as DRIFTTESTWAITING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code DRIFT TEST WAITING 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 is currently running a mandatory internal safety calibration check and needs a few minutes to complete this process. (As reported on Johnson Starley Quantec C)
Pick your boiler brand for the DRIFT TEST WAITING fix
Source
Information for the DRIFT TEST WAITING 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