Unknown
F14 on Vaillant ecoMAX 828E

Vaillant ecoMAX 828E fault code F14

What the manual says

Manufacturer manual

Short circuit of return NTC (NTC2)

From this model's manual
Verified against the Vaillant/Vaillant Ecomax 828e 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 26 fault codes on the ecoMAX 828E

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