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No-indication (Remote), Red LED OFF, Green LED OFF

Remote Control No Display, Indoor Unit LEDs Off - Power source issue

Mitsubishi Heavy Industries · Air Conditioners

What does No-indication (Remote), Red LED OFF, Green LED OFF mean?

The remote control shows no display, and both the red and green LEDs on the indoor unit are off. This indicates a problem with the indoor unit's power source.

Common Causes

  • Unit is powered off
  • Broken power wire
  • Blown fuse in the power circuit
  • Broken transformer wire

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the unit is properly plugged into a live power outlet.

  2. 2

    Check the circuit breaker for the air conditioner and reset if it has tripped.

  3. 3

    Inspect visible power cables for any damage or loose connections.

  4. 4

    If the problem persists, professional inspection of internal wiring, fuses, or the transformer may be required.

Browse all codes in this manual (110)
Verified technical data. Last updated: April 2026

Related Faults

01Power source faulty — RUN LED OFF, TIMER LED flashes 1 time05Wired remote control wiring error — RUN LED OFF, TIMER LED flashes 5 times35Cooling high pressure control activated — RUN LED flashes 3 times, TIMER LED flashes 5 times
Source: Mitsubishi Heavy Industries Air Conditioners
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