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H15

H15 — Outdoor compressor temperature sensor abnormality

Panasonic · Air Conditioning

What does H15 mean?

This indicates an abnormality with the outdoor compressor temperature sensor. It is reported if the issue persists for 5 seconds.

Common Causes

  • Compressor temperature sensor is defective or disconnected

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if the outdoor compressor temperature sensor is defective.

  2. 2

    Ensure the outdoor compressor temperature sensor is properly connected.

Browse all codes in this manual (53)
Verified technical data. Last updated: April 2026

Related Faults

Error code on Timer display LCDError code on Timer display LCD - Specific fault identifiedF12F12 - Pressure switch activateF14F14 - Outdoor compressor abnormal revolution
Source: Panasonic Air Conditioning
Open Manual (Page 162)Search more codes in this manual