Sinclair ASGE-09AIN WK Service Manual page 94

P8 IPM or PFC over-temperature protection
PH DC busbar over-voltage protection
PL DC busbar under-voltage protection
P8 is displayed on
the wired controller
P8 is displayed in the
Indicating lamp
Yes
IPM or PFC module
Replace the
mainboard
Work normally
PH or PL is displayed on
the wired controller
PH or PL is displayed in
the mainboard 88
indicating lamp
Is input voltage
ranged from 185VAC
Yes
to 264VAC?
Replace the
mainboard.Does
it work normally?
No
Replace the
compressor
mainboard 88
Is the
No
of mainboard
tightened
Tighten the IPM
or PFC module
Yes
Please cut off the
Work
power and notify the
normally
power company.
No
86