Check
SiBE12-933_A
212
Service Diagnosis
5. Check
5.1
How to Check
5.1.1 Fan Motor Connector Output Check
Check No.01
1. Check connector connection.
2. Check motor power supply voltage output (pins 4-7).
3. Check motor control voltage (pins 4-3).
4. Check rotation command voltage output (pins 4-2).
5. Check rotation pulse input (pins 4-1).
7
6
5
4
3
2
1
S1
(R12099)
Motor power supply voltage (310 ~ 340 VDC)
Unused
Unused
GND
Motor control voltage (15 VDC)
Rotation command voltage (1 ~ 6 VDC)
Rotation pulse