Unknown
5 flashes on Baxi 600 Heat

Baxi 600 Heat fault code 5 flashes

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Parameter fault: Bad connection to PU; Parameter error or faulty PU

From this model's manual
Verified against the Baxi/Baxi 600 Heat installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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All 18 fault codes on the 600 Heat

Seeing a different code? Every code this model can display, in one place.

1 flash1 flash green1 flash red2 flashes2 flashes green2 flashes red3 flashes3 flashes green3 flashes red4 flashes4 flashes green4 flashes red5 flashes green5 flashes red6 flashes6 flashes green6 flashes red

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