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Unit Auto Start/Stop

Unit starts or stops operation automatically - Weekly timer active

Mitsubishi Electric · MSZ-AP Air Conditioners

What does Unit Auto Start/Stop mean?

The air conditioner begins or ceases operation without any manual input from the user.

Common Causes

  • The weekly timer function is set and is triggering scheduled operations (start or stop).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check your remote controller to determine if the weekly timer is currently active.

  2. 2

    If you do not wish for automatic operation, review and cancel the weekly timer settings.

  3. 3

    If the issue persists and you are certain no timers are set, review all timer settings on the remote controller to ensure no unintended schedules are active.

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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