TradeAssistIQHome

Panasonic Aquarea T-CAP R32 fault H70

Indoor backup heater OLP abnormality

Heat pump

What it means

During operation of indoor backup heater, no power supplies to indoor backup heater or OLP (overload protector) open circuit. Continue for 60 seconds before being flagged.

Likely causes

  1. Faulty power supply connector connection
  2. Faulty connector connection
  3. Faulty indoor unit PCB (main)

Where to start

  1. Confirm Force heater request ON by user OR auto turn ON by remote controller during error
  2. Check latest mode selection sent by remote controller (heat/cool/tank)
  3. Check back up heater for abnormal status (H70)

The full answer, free

  • 7 more checks 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 183), right under the answer
Ask about H70 freeCreate a free account

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