Baxi · 800 Combi 2

E.01.17 boiler fault code

800 Combi 2 current generation

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What E.01.17 means

E.01.17 indicates permanent loss of water circulation.

Safe check

Read the installation pressure from the accessible display or gauge without removing the casing. Do not attempt to vent, open, or dismantle the boiler.

When to contact an engineer

The code remains, the pressure is abnormal, or the code returns after one safe restart.

Safety notice

Source and provenance