Gree U-MATCH GUHD09NK3CO Service Manual page 132
A/a dc inverter air conditioners t1/r410a/50hz
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Also See for U-MATCH GUHD09NK3CO:
- Installation and operation manual (64 pages) ,
- Installation and operation manual (51 pages)
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A/A DC INVERTER U-MATCH AIR CONDITIONERS
◆
DC Bus High Voltage Protection
Monitor
Dispay
DC Bus High Voltage
Protection
Wired
Controller
Display E5
If the input power supply
voltage is larger than
475V?
No
Replace the main board
Record and report the
actual condition
Main Board 88
Indicating Lamp
PH
If the power supply voltage
Yes
is too high, please cut off
the power supply; otherwise
the unit would be damaged.
MAINTENANCE
129
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