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Panasonic Aquarea T-CAP R32 fault H95

Unspecified voltage between indoor and outdoor

Heat pump

What it means

The supply power is detected for its requirement by the indoor/outdoor transmission; voltage discrepancy detected between indoor and outdoor units.

Likely causes

  1. Incorrect power supply voltage
  2. Wiring fault
  3. Phase connection fault
  4. Insufficient power supply
  5. Faulty outdoor unit PCB (noise filter/main)
  6. Indoor communication error

Where to start

  1. Isolate outdoor unit PCB (noise filter) AC voltage output
  2. Check DC filter (capacitor) PCB connector connection
  3. Confirm Force heater request ON by user OR auto turn ON by remote controller during error

The full answer, free

  • 11 more checks in order
  • How to put it right, step by step
  • The manual page for this fault (page 189), 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 Panasonic manual for the Aquarea T-CAP R32. Check the model on the data plate before you order parts.

Other Panasonic Aquarea T-CAP R32 fault codes