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H72

H72 - Tank sensor abnormal

Panasonic · Aquarea Heat Pumps

What does H72 mean?

The sensor monitoring the tank temperature has an abnormality. The system will stop operation after 5 seconds.

Common Causes

  • Tank sensor is defective
  • Tank sensor is disconnected

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the tank sensor is securely connected.

  2. 2

    Inspect the tank sensor for any damage.

  3. 3

    Replace the tank sensor if it is found to be defective.

  4. 4

    Contact a qualified installer or service technician if the problem continues.

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 76)Search more codes in this manual