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H44

Error H44 — Zone 2 sensor error

Panasonic · Aquarea Heat Pumps

What does H44 mean?

A temperature sensor for Zone 2 is reporting an error, impacting temperature management for that zone.

Common Causes

  • Faulty Zone 2 temperature sensor.
  • Wiring problem with the sensor.
  • Sensor is not installed correctly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the Zone 2 sensor and its surroundings for any obstructions.

  2. 2

    Try restarting the system.

  3. 3

    Confirm the sensor is properly placed.

  4. 4

    Call your installer to have the sensor checked and serviced.

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 19)Search more codes in this manual