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Ideal Logic fault FA

Flow/return reversed

Gas boiler

What it means

Flow and return pipes are connected in reverse order

Likely causes

  1. Pump connected backwards
  2. System pipework connected incorrectly

Where to start

  1. Check pump connection direction
  2. Verify system pipework routing

The full answer, free

  • How to put it right, step by step
  • The manual page for this fault (page 51), right under the answer
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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 Ideal manual for the Logic. Check the model on the data plate before you order parts.

Other Ideal Logic fault codes