Service manual

Check SiBE05-722_C
102 Service Diagnosis
RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B
1. Check that the voltage between the pins 10 - 11 is 15 VDC.
2. Check if the Hall IC generates the rotation pulse (0 ~ 15 VDC) 4 times between the pins 10 -
12, 10 - 13, when the fan motor is manually rotated once.
13
12
11
10
9
8
7
6
5
4
3
2
1
S70
Phase U
15 VDC
Phase V
Phase W
HU (Hall IC)
HV (Hall IC)
Free pin
Free pin
Free pin
Free pin
Free pin
Free pin
(R11907)