CodeRegistry
Brands
  1. Home
  2. Panasonic
  3. Aquarea Heat Pumps
  4. H31
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

H31

Error H31 — Pool sensor error

Panasonic · Aquarea Heat Pumps

What does H31 mean?

This error pertains to a sensor responsible for monitoring pool water temperature or conditions.

Common Causes

  • Faulty pool sensor.
  • Damaged cable connecting the sensor to the unit.
  • Sensor is not submerged correctly or is obstructed.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the pool sensor is correctly positioned and submerged in the water.

  2. 2

    Check the sensor cable for any visible damage.

  3. 3

    Restart the system.

  4. 4

    Contact your installer to test or replace the pool sensor.

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