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Gree GMV-280WM/E-X Service Manual

Gree GMV-280WM/E-X
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GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
198
Troubleshooting:
2.2.4.82 H8 Fan drive IPM high temperature protection
Error display:
ODU mainboard will display
Error judgment condition and method:
Check the error code on nixie tube of ODU main control board. If H8 is displayed, it indicates fan
drive IPM high temperature protection
Possible reason
Thermal grease of IPM module hasnt been spread or thermal grease is not spread evenly or
thermal grease is dry;
Screw of IPM module is not tightened;
Fan drive board is abnormal
Troubleshooting:

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Gree GMV-280WM/E-X Specifications

General IconGeneral
BrandGree
ModelGMV-280WM/E-X
CategoryAir Conditioner
LanguageEnglish

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