Table of Contents
Advertisement
GREE
2.2.4.83 "H9" Desynchronizing protection of inverter compressor
Error display: ODU mainboard will display
Error judgment condition and method:
Check the error code on nixie tube of ODU main control board. If H9 is displayed, it indicates
Desynchronizing protection of inverter compressor
Possible reason：
■Poor contact of fan UVW wire
■Fan is broken
■Fan blade is blocked (Fan blade is blocked and motor shaft is rusty)
■Fan drive board is abnormal
Troubleshooting:
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
199
Hide quick links:
Advertisement
Table of Contents
