Gree U-MATCH GUHD09NK3CO

A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE
126
Radiator Overheating Protection
E5 is displayed
on the wired
controller.
If the heat dissipation
of the outdoor not is in
good condition?
Radiator
Overheating
Protection
P8
Monitor
Display
Main Board 88
Indicating Lamp
Yes
No
Record and report
the actual result
If the discharge air and
return air of the outdoor
unit are shortcut, the heat
dissipation effect would
be much poor.
If the radiator is
blocked by filth?
If so, the heat dissipation
effect of the radiator
would be mush poor
No
Yes
Replace the main
board