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F41

F41 - PFC control abnormality

Panasonic · Air Conditioning

What does F41 mean?

The Power Factor Correction (PFC) control system is experiencing an abnormality. This fault occurs 4 times within 10 minutes.

Common Causes

  • Abnormal voltage at the PFC unit.
  • PFC control module malfunction.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the voltage supply to the PFC unit.

  2. 2

    Inspect the PFC control module for any visible damage.

  3. 3

    A qualified technician should diagnose and repair PFC-related issues.

  4. 4

    Ensure stable power supply to the unit.

Browse all codes in this manual (53)
Verified technical data. Last updated: April 2026

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Source: Panasonic Air Conditioning
Open Manual (Page 75)Search more codes in this manual