Medium
d.36 on Glow-worm Compact

Your boiler is struggling to detect or regulate the flow of hot water, which may cause your taps or shower to run cold or flicker between hot and cold temperatures.

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

Value for the domestic hot water flow rate

From this model's manual
Verified against the Glow Worm Compact installation & service manual, page 41.
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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d.33View →d.35View →

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