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F93

F93 — Compressor abnormal revolution

Panasonic · CS-Z

What does F93 mean?

The compressor's revolution speed is abnormal. This has occurred multiple times within a specific timeframe.

Common Causes

  • Power transistor module is faulty
  • Compressor is locked

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the power transistor module for any signs of overheating or damage.

  2. 2

    Ensure the compressor is not mechanically locked.

  3. 3

    If either is suspected, professional diagnosis and repair are required.

Browse all codes in this manual (42)
Verified technical data. Last updated: April 2026

Related Faults

3 beepsThree beeps when checking errors — No abnormality storedBeep (Normal Operation -> nanoeX Operation)Single Beep — Switching to nanoeX operationBeep (Stop -> nanoeX individual Operation)Single Beep — Starting nanoeX individual operation
Source: Panasonic CS-Z
Open Manual (Page 94)Search more codes in this manual