ER 32
Dacor Compressor Inverter / Communication Error

Display shows ER 32, refrigerator may not cool or may shut down intermittently.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed compressor inverter board, Loose inverter harness, Faulty compressor windings, Main control board communication fault

How to Fix / Troubleshooting

Safety: Turn off power at the breaker before accessing the compressor area.

This code indicates a problem with the variable-speed compressor drive.

  • Inspect inverter connections: At the rear bottom, remove the cover and check the harness between the main PCB and the inverter module on the compressor.
  • Check for overheating: Look for discoloration or burnt smell on the inverter board.
  • Power reset: After reseating connectors, restore power and monitor operation.

Diagnosis of inverter and compressor requires specialized tools; contact a qualified technician for further testing and replacement.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Inverter Board
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