Ideal Logic fault F6

Outside sensor fault

Gas boiler

What it means

Outside temperature sensor reading is out of range or disconnected

Likely causes

  1. Outside sensor resistance out of specification
  2. Outside sensor wiring disconnected or loose
  3. Outside sensor wiring lacks continuity to PCB
  4. PCB fault

Where to start

  1. Disconnect wires to outside sensor
  2. Measure resistance across outside sensor terminal pins using multimeter
  3. Check wiring security at terminal block boiler connection

The full answer, free

  • 1 more check 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 49), 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 Ideal manual for the Logic. Check the model on the data plate before you order parts.

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