ACPro AUHD18ND3F1O - Page 37

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• 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
mainboard 88
Indicating lamp
Is the
IPM or PFC module
of mainboard
tightened˛
No
Work normally
Replace the
mainboard
Yes
Tighten the IPM
or PFC module