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Static electricity damage

Wi-Fi interface damage — Due to static electricity

Mitsubishi Electric · MSZ-AP Air Conditioners

What does Static electricity damage mean?

Static electricity discharged from a person's body can potentially damage the Wi-Fi interface unit when touching the indoor unit. This damage can lead to malfunctions of the Wi-Fi functionality.

Common Causes

  • User touching the Wi-Fi interface or indoor unit without first discharging static electricity.
  • Accumulation of static electricity on the user's body in dry environments.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Before touching the indoor unit, particularly around the Wi-Fi interface, touch a nearby metal object to discharge any static electricity from your body.

  2. 2

    Avoid directly touching sensitive electronic components within the unit.

  3. 3

    Follow general static electricity precautions when handling or interacting with electronic devices to prevent damage.

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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