Vokera Pinnacle Combi fault E051

Smoke obstruction error high power

Gas boiler

What it means

Transitory error indicating smoke/flue obstruction detected during high power operation.

Likely causes

  1. Flue obstruction
  2. Incomplete combustion at high power
  3. Flue components not correctly assembled, fixed or supported
  4. Flue or flue terminal obstructed
  5. Leaking seals around appliance burner, internal flue seals, door and case seals
  6. Inhibitor depletion over time requiring annual concentration check

Where to start

  1. Check flue for obstruction
  2. Check combustion analysis
  3. Navigate to Configuration menu

The full answer, free

  • 41 more checks in order
  • The readings and component tests from the manual
  • How to put it right, step by step
  • The manual page for this fault (page 8), 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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