Emergency
117 on Baxi Duo-tec Combi GA

There is too much water pressure in your boiler system, which has caused the unit to shut down for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Primary System Water Pressure Too High

From this model's manual
Verified against the Baxi/Baxi Duo Tec Combi Ga 4707554 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 is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

118View →E117View →

All 24 fault codes on the Duo-tec Combi GA

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

091520284055109110118125128130133134135154160270321384E118E128E133

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