Medium
Short Cycling on Worcester Bosch Greenstar Camray Utility

Your boiler is rapidly turning itself on and off because it is struggling to regulate its temperature or is getting conflicting signals from your wall thermostat.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Burner rating incorrect; Boiler thermostat differential incorrect; External controls not operating correctly

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful