Is wiring method correct?
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Finished
Replace control board AP1
Replace electric inductance L
According to circuit diagram
to correct wire connection
method
Malfunction disposed?
Malfunction disposed?
Malfunction disposed?
Replace radiator sub-assy (including
AP2, AP3 and radiator)
Outdoor unit drive board AP3 red indicator
LED 101 blink 5 times, PFC protection
After powered off for 3mins, pull out
4pcs connection wire of electric
inductance L from control board AP2
use multimeter test whether the
Yellow, White wire of electric
inductance L is short circuit or not
According to wiring diagram, to
examine whether the wiring of
electric box of outdoor unit is
loosed, especially the wiring
on AP3, AP2, electric inductance
L, the connection wire from AP1
to AP2.
2. The red indicator LED101 blinks 5 times on the outdoor unit drive board AP3,
PFC protection analysis
Summary of Contents for ACP-24COFM70GEI
Page 1: ...ACP 24COFM70GEI ACP 28COFM80GEI RoHS Service manual ENG ...
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Page 5: ...Wrench Bolt Nut Unit mm Model ACP 24COFM70GEI ...
Page 6: ...Wrench Bolt Nut Unit mm Model ACP 28COFM80GEI ...
Page 11: ...Model ACP 24COFM70GEI ...
Page 12: ...Model ACP 28COFM80GEI ...
Page 23: ...2 ACP 28COFM80GEI ...
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