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fuse/switch blows

Fuse or switch blows continuously — Electrical fault, contact dealer

MHI · Air Conditioning

What does fuse/switch blows mean?

If the air conditioner's fuse or electrical switch blows repeatedly, it indicates a persistent electrical problem that requires professional attention.

Common Causes

  • Overcurrent or short circuit in the wiring or unit.
  • Faulty electrical components within the air conditioner.
  • Issue with the home's electrical supply.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the main power switch to the air conditioner immediately.

  2. 2

    Do not attempt to reset the fuse or switch again.

  3. 3

    Contact your dealer or a qualified service technician immediately.

Browse all codes in this manual (124)
Verified technical data. Last updated: April 2026

Related Faults

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Source: MHI Air Conditioning
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