Samsung Gen 6 fault 465

Compressor V limit error

Heat pump

What it means

Compressor voltage limit exceeded, detected by outdoor unit protection control.

Likely causes

  1. Compressor overload
  2. Faulty compressor connection
  3. Abnormal resistance between compressor phases

Where to start

  1. Check same as E461 and check compressor when it starts.
  2. Check the compressor connection status
  3. Check the resistance between different phases of the compressor

The full answer, free

  • How to put it right, step by step
  • The manual page for this fault (page 53), 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 Samsung manual for the Gen 6. Check the model on the data plate before you order parts.

Other Samsung Gen 6 fault codes