Samsung Heat pump fault E563

INDOOR UNIT mixed install error

Heat pump

What it means

Error indicating a mixed/incompatible indoor unit installation detected by the outdoor unit.

Likely causes

  1. Incompatible indoor unit model installed
  2. Mixed system configuration error
  3. Loose connections
  4. Damaged wiring
  5. Corrosion at terminals

Where to start

  1. Verify indoor unit model compatibility with outdoor unit
  2. Verify continuity between F1 and F2 terminals
  3. Check for visible damage to wiring

The full answer, free

  • 1 more check 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 84), 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 Heat pump. Check the model on the data plate before you order parts.

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