Panasonic Aquarea T-CAP R32 fault F36

Outdoor air temperature sensor abnormality

Heat pump

What it means

During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor error.

Likely causes

  1. Original outdoor temperature sensor fault or wiring issue
  2. Alternative outdoor ambient sensor fault or wiring issue (if connected and selected YES)
  3. Faulty connector connection
  4. Faulty outdoor unit PCB (main)
  5. Indoor communication error

Where to start

  1. Measure resistance of outdoor air temperature sensor with connector unplugged
  2. Verify sensor wiring at indoor unit main PCB terminal if alternative sensor is used
  3. Turn OFF the power and check the CN-TH1 connector connection

The full answer, free

  • 4 more checks in order
  • How to put it right, step by step
  • The manual page for this fault (page 204), right under the answer

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 Panasonic manual for the Aquarea T-CAP R32. Check the model on the data plate before you order parts.

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