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F41

F41 - PFC control abnormality

Panasonic · Aquarea Heat Pumps

What does F41 mean?

The Power Factor Correction (PFC) control has encountered an issue 4 times within 10 minutes. This suggests a problem with the unit's power regulation.

Common Causes

  • Voltage at PFC unit is incorrect

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the voltage supply to the PFC unit.

  2. 2

    Inspect the PFC unit for any visible damage.

  3. 3

    Ensure stable power is supplied to the equipment.

  4. 4

    Contact a qualified installer or service technician for diagnosis.

Browse all codes in this manual (69)
Verified technical data. Last updated: April 2026

Related Faults

2 beeps then pause2 beeps then pause - Overfill warning3 red flashes3 red flashes - Communication errorError Code DisplayError Code Display - Abnormality detected
Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 77)Search more codes in this manual