Gree GUHD series - Flow Chart of Troubleshooting

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2 FLOW CHART OF TROUBLESHOOTING
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Service personnel shall collect the malfunction information as much as possible and research them
thoroughly, list these electrical parts which may cause malfunction, service personnel shall be able to
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Observe the status of the complete device and do not observe the partial
It is advised to start from the simple operation during analyzing, judging and confirming malfunction
reason, then conduct the complicated operations such removal of device, part replacement and refrigerant
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Find the malfunction reason carefully as unit may occur several malfunction at the same time and one
malfunction may develop into several malfunction, so entire system analysis shall be established to make the
judged result exact and credible.
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Malfunction display: E1 Compressor High Pressure Protection