Medium
OBCD on Vokera Pinnacle Combi

Your boiler's internal electronic timer has failed, which means the system cannot automatically manage its heating schedule.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

ON BOARD CLOCK DAMAGED

From this model's manual
Verified against the Vokera Pinnacle Combi installation & service manual, page 8.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Turn the boiler power off at the fused spur switch for 30 secondsTurn the power back on to see if the error clearsSwitch the boiler to 'Manual' mode to bypass the clock and restore heat

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