Low
P6 on Worcester Bosch Greenstar R29 40 HE

Your boiler is currently performing its automatic safety check during start-up, which is a normal process that occurs every time the power is turned on.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Part of the self-test sequence sequence when the appliance is switched on.

DIY fix possible

Wait a few minutes for the boiler to complete its internal safety sequence.If the code persists, switch the boiler off at the fused spur for 30 seconds.Switch the power back on to allow the boiler to restart its self-test procedure.

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful