Vokera Pinnacle Combi fault E011

Parasitic flame

Gas boiler

What it means

A flame has been detected by the flame sensor when it should not be present (parasitic/false flame signal), resulting in a lockout condition indicated by red display and warning symbol.

Likely causes

  1. Faulty flame sensor
  2. Gas valve leakage
  3. Ionization probe fault

Where to start

  1. Check flame sensor/ionization probe
  2. Inspect gas valve for leakage
  3. Check wiring to flame detection circuit

The full answer, free

  • 6 more checks in order
  • How to put it right, step by step
  • The manual page for this fault (page 6), right under the answer

Safety: Isolate gas and power before you open the case. If you have been into the gas side, do a tightness test, and a combustion and flue check before you hand back. Gas Safe (UK) or RGI (Ireland) work only.

From the Vokera manual for the Pinnacle Combi. Check the model on the data plate before you order parts.

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