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Remote control signals not received

Remote control signals not received — Unit not responding to remote

MHI · Air Conditioning

What does Remote control signals not received mean?

The air conditioner does not respond when you try to operate it with the remote control. This can be due to interference, battery issues, or obstacles.

Common Causes

  • Signal receiver on the air conditioner is exposed to direct sunlight or other bright light.
  • Remote control batteries are running down or exhausted.
  • Obstacles between the remote control and the unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Cut out direct sunlight or reduce other bright light shining on the air conditioner's signal receiver.

  2. 2

    Replace the batteries in the remote control with new ones.

  3. 3

    Ensure there are no obstructions between the remote control and the indoor unit.

Browse all codes in this manual (124)
Verified technical data. Last updated: April 2026

Related Faults

00Outdoor Board LED only green lights up after startup - No outdoor unit of address 0 / Remote controller transmission wire open1OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors
Source: MHI Air Conditioning
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