Samsung Gen 6 fault E484

PFC overload error

Heat pump

What it means

PFC circuit overload detected.

Likely causes

  1. Faulty reactor in control plate
  2. Faulty INVERTER PBA

Where to start

  1. Check reactor located in control plate.
  2. If reactor is normal, exchange INVERTER PBA.

The full answer, free

  • How to put it right, step by step
  • The manual page for this fault (page 55), 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