Si10-417
Troubleshooting
Service Diagnosis
149
5.4 Check
5.4.1 Fan Motor Connector Output Check
Check
No.01
1. Check connector connection.
2. Check motor power supply voltage output
(pins 4-7 and 4-8).
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
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1~ 6 VDC)
Rotation pulse input
S1
(R3199)
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1~ 5 VDC)
Rotation pulse input
<In case of Floor Standing Type>
Upper fan connector
8
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1 to 5 VDC)
Rotation pulse input
Lower fan connector
(R1224)
Si10-417.fm Page 149 Wednesday, September 22, 2004 6:38 PM
