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F93

F93 — Compressor abnormal revolution

Panasonic · Air Conditioner Panasonic PRO Club

What does F93 mean?

The compressor has experienced abnormal revolutions four times within 20 minutes. This suggests a faulty power transistor module or a compressor lock.

Common Causes

  • Compressor abnormal revolution
  • Power transistor module faulty or compressor lock

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if the compressor is locked or obstructed.

  2. 2

    Inspect the power transistor module for faults.

Browse all codes in this manual (31)
Verified technical data. Last updated: April 2026

Related Faults

2 beeps2 beeps - Confirmation of Forced heating operation start3 beeps3 beeps - Remote Control Number Switch Mode standby4 beeps4 beeps - Remote Control Receiving Sound Off/On Mode standby
Source: Air Conditioner Panasonic PRO Club
Open Manual (Page 81)Search more codes in this manual