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3-minute delay

Compressor does not restart immediately — 3-minute time delay active

Mitsubishi Electric · MSZ-FH Air Conditioners

What does 3-minute delay mean?

After the system turns OFF, the compressor will not restart for approximately 3 minutes. This is a built-in safety feature designed to protect the compressor from potential damage due to overload or rapid restarts. This is normal operation.

Common Causes

  • Compressor protection mechanism is active.
  • System has recently been turned off.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Understand that this is a normal protective function of the air conditioner.

  2. 2

    Wait for at least 3 minutes after the system turns off before attempting to restart it.

  3. 3

    Avoid repeatedly pressing the ON/OFF button during this protective delay period.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

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Source: Mitsubishi Electric MSZ-FH Air Conditioners
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