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F29

F29 - Low Discharge Superheat

Panasonic · Aquarea Heat Pumps

What does F29 mean?

This error indicates a low discharge superheat condition, which points to problems with the refrigerant cycle or related sensors. This could affect the system's efficiency and operation.

Common Causes

  • Discharge Temperature sensor issue
  • Discharge Pressure sensor issue
  • Pressure Switch issue
  • Outdoor PCB malfunction
  • Refrigerant charge imbalance

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the F29 error code displayed on the control panel.

  2. 2

    Turn off the power supply to the Panasonic Aquarea Heat Pump at the main circuit breaker. Wait for at least 5 minutes, then restore power.

  3. 3

    If the F29 error code reappears, contact an authorized Panasonic service technician. This issue requires professional assessment of the refrigerant system and sensors.

Browse all codes in this manual (77)
Verified technical data. Last updated: April 2026

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Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 158)Search more codes in this manual