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error Mitsubishi

Error Code E2

Outdoor unit communication error — the outdoor unit is not responding to signals from the indoor unit.

? What Causes This

Damaged communication wiring, outdoor unit malfunction, or power supply issue to outdoor unit.

✓ How to Fix It

  1. Power off the entire system.
  2. Inspect the communication cable between units for damage or loose connections.
  3. Check power supply to outdoor unit.
  4. Reconnect all cables firmly.
  5. Restart the system.
  6. If error continues, contact service.

This error code appears in:

Mitsubishi Mini Split Air Conditioning System