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H38

Error H38 — Brand mismatch error

Panasonic · Aquarea Heat Pumps

What does H38 mean?

This error occurs when components from different manufacturers are detected in the system, or incompatible brands are used.

Common Causes

  • Mixing brands of system components.
  • Using non-approved accessories or parts.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that all components of the Aquarea system are Panasonic branded.

  2. 2

    Check any recently added accessories or parts for compatibility.

  3. 3

    Consult your installer to ensure only approved components are used.

  4. 4

    Remove any non-compatible third-party devices connected to the system.

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