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Auto Restart Function

Unit starts automatically after power loss - Auto restart function

Mitsubishi Electric · MSZ-AP Air Conditioners

What does Auto Restart Function mean?

If the main power is turned off without first stopping the unit via the remote controller, and then turned back on, the unit will automatically resume operation in the same mode it was in before the power interruption.

Common Causes

  • The unit is equipped with an auto restart function that restores previous operation settings after power outages.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is a normal safety feature designed for convenience; no immediate action is required.

  2. 2

    If you do not want the unit to restart automatically, always ensure you stop the unit with the remote controller before turning off the main power.

  3. 3

    To change the operation after an auto restart, simply use the remote controller as you normally would.

Browse all codes in this manual (87)
Verified technical data. Last updated: April 2026

Related Faults

3 Min Restart DelayUnit cannot be operated for about 3 minutes after restart - Microprocessor protection3 Short Beeps3 short beeps from indoor unit - Weekly timer setting failedAP Mode activatedNET and MODE LEDs flashing (every 5 seconds) - Access Point Mode activated
Source: Mitsubishi Electric MSZ-AP Air Conditioners
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