York IDM030B21E Series Service Manual page 52

TROUBLESHOOTING
● Ducted (Medium Static) with EconoFresh Kit
(To Fan Motor)
< Checking for Fan Motor >
Remove the connector of the fan motor and measure the resistance value between each of the pins (twice).
Check whether the resistance value is over or not according to the Decision Basis shown below. When
performing the second measuring, make sure to change the tester (Red/ Black).
2 PG (Blue)
3 Vsp (Yellow)
4 Vcc (White)
5 GND (Black)
8 Vm (Red)
Connector for Fan Motor
3-30
LED1
CN201
1st Measurement
Resistance
Tester
Red Black
PG GND
Vsp GND
Vcc GND
Vm GND
PCN201
(To TB1)
2nd Measurement
Tester
Value
W Red Black
GND PG
GND Vsp
GND Vcc
GND Vm
Decision Basis
Resistance
Resistance values of both
Value
1st and 2nd measurings
are over 10W
W
SM-16005-rev.2