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error Ideal

Error Code F6

Outside sensor failure — external temperature sensing malfunction.

? What Causes This

External weather compensator may be faulty or wiring issues.

How to Fix It

  1. Restart the boiler system.
  2. Contact Ideal (warranty period) or Gas Safe Registered Engineer if persists.

Source: page 9 of the official manual

From the manual

Manual page 9 — Ideal error F6

This error code appears in:

Ideal Boilers I 24