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Check
SiBE12-933_A
224
Service Diagnosis
5.1.16 Fan Motor Wire / Short Circuit Check
Check No.20
(1) Check the connector for connection.
(2) Turn the power off.
(3) Check if each resistance at the phases U - V and V - W is 10
Ω
~ 20
Ω
(between the pins
12 - 9, and between 9 - 6).
(R11979)
12
11
10
9
8
7
6
5
4
3
2
1
Phase U
Free pin
S200
Free pin
Free pin
Free pin
Free pin
Free pin
Phase V
Phase W
GND
Motor control voltage (15 VDC)
Rotation pulse (5 VDC)