Gree VERSATI SERIES, Service Manual

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109
Air to Water Heat Pump
Service Manual- Versati Series
NBJOUFOBODF
3.1.2 IPM or PFC over-temperature protection(code:"P8")
E5 is displayed on
the wired controller
Tighten the IPM or
PFC module
Replace the mainboard
Is the IPM or
PFC module of
P8 is displayed in the
mainboard 88
Indicating Lamp
No
Work Normally
Yes
mainboard tightened?
3.1.3 DC busbar over-voltage protection(code:"PH") ; DC busbar under-voltage protection(code:"PL")
E5 is displayed on
the wired controller
Is input voltage ranged
from 185VAC to 264VAC?
Replace the mainboard.
Does it work normally?
Replace the compressor
Please cut off
the power and notify
the power company.
PH or PL is displayed
in the mainboard 88
Indicating Lamp
Yes
Work Normally
Yes
No
Notice: three-phase input voltage is in the range from 320VAC to 475VAC.