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H76

H76 — Indoor - control panel communication abnormality

Panasonic · Air Conditioning

What does H76 mean?

This error indicates a communication problem between the indoor unit and the control panel.

Common Causes

  • Indoor - control panel is defective or disconnected

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the connection between the indoor unit and the control panel.

  2. 2

    Inspect the indoor control panel for defects.

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

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Source: Panasonic Air Conditioning
Open Manual (Page 162)Search more codes in this manual