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Loose power plug

Power plug loose or dirty — Risk of electric shock or fire

Mitsubishi Electric · MSZ-AP Air Conditioners

What does Loose power plug mean?

If the power supply plug is not fully inserted into the outlet or has dust, clogging, or loose parts, it can lead to electric shock or fire due to poor contact or electrical overheating.

Common Causes

  • Dust, clogging, or loose parts present in the plug or outlet.
  • Power supply plug not completely pushed into the outlet.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Carefully unplug the air conditioner from the power outlet.

  2. 2

    Inspect both the power plug and the outlet for any dust, debris, or loose parts.

  3. 3

    Clean the plug and outlet thoroughly if any contaminants are found.

  4. 4

    Ensure the power plug is pushed completely and securely into the outlet.

  5. 5

    If loose parts are found on the power supply plug itself, replace the plug or consult a qualified electrician.

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

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Source: Mitsubishi Electric MSZ-AP Air Conditioners
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