---
title: What does H5 Code on X Series mean
description: 1) Input Voltage may be outside the normal range  2) Outdoor unit installation cables needs checking  3) There may be resistance of compressor coil 4) The insulation between the compressor coil and th
---

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# What does H5 Code on X Series mean

1) Input Voltage may be outside the normal range 

2) Outdoor unit installation cables needs checking 

3) There may be resistance of compressor coil

4) The insulation between the compressor coil and the copper pipe needs checking

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