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Midea Heat pump fault J61

Fan terminals short circuit protection

Heat pump

What it means

Short circuit detected between fan motor terminals.

Likely causes

  1. Refrigerant leak from container or system
  2. Damage to cables
  3. Excessive number of connections
  4. Terminals not made to original specification
  5. Damage to seals
  6. Incorrect fitting of glands

Where to start

  1. Identify contaminated leakage area
  2. Assess wind direction for evacuation
  3. Verify compressor cumulative operating time at rotation speed less than 42rps

The full answer, free

  • 6 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 150), 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 Midea manual for the Heat pump. Check the model on the data plate before you order parts.

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