Gree Versati II Series Manuel d'entretien - Page 11
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4�1�3 DC Busbar Over-voltage Protection(Code:"PH") ; DC Busbar Under-voltage Protection(Code:"PL")
Replace the mainboard.
Does it work normally?
Replace the mainboard
Note: three-phase input voltage is in the range from 320VAC to 475VAC.
4�1�4 Drive-to-main-control Communication Error(Code:"P6")
Is the CPU tightened?
Test Operation & Troubleshooting & Maintenance
"DC over-vol." or "DC
under-vol." is displayed
on the wired controller
PH or PL is displayed
in the mainboard 88
Indicating Lamp
Is input voltage ranged
from 185VAC to 264VAC?
Work Normally
"Drive-main com." is
Displayed on the wired
controller
P6 is displayed in the
mainboard 88
Indicating Lamp
Is the CPU tightened?
Work Normally
9
Please cut off
the power and notify
the power company.
Is the CPU tightened?