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Joule Modul Air fault 35

Airflow sensor error - green comfort module

Heat pump

What it means

Fault detected on the airflow sensor associated with the Green Comfort Module. This is a locking fault requiring installer intervention to override.

Likely causes

  1. Faulty sensor
  2. Sensor wiring fault

Where to start

  1. Check sensor
  2. Navigate to the spanner icon on the home screen
  3. Run Calibrate airflow procedure using Start calibration button

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 103), right under the answer
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Safety: Isolate the outdoor unit and any backup heater, and give the inverter capacitors time to discharge before you open the electrics. Anything on the refrigerant circuit needs F-gas certification.

From the Joule manual for the Modul Air. Check the model on the data plate before you order parts.

Other Joule Modul Air fault codes