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Check
SiUS091601EA
183
Part 6 Service Diagnosis
Check No.02
FTX18/24UVJU, FVXS Series
1. Check the connection of connector.
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).
R6000681
FDMQ Series
1. Turn the power supply OFF.
2. With the fan motor connector disconnected, measure the resistance between each pin, then
make sure that the resistance is more than the value mentioned in the following table.
Measuring points
Judgement
White - Blue
1 MΩ or more
Orange - Blue
100 kΩ or more
Brown - Blue
100 Ω or more
Red - Blue
100 kΩ or more
7
6
5
4
3
2
1
S1
Motor power supply voltage (310 ~ 340 VDC)
Unused
Unused
GND
Motor control voltage (15 VDC)
Rotation command voltage (1~ 6.5 VDC)
Rotation pulse input
White
Orange
Brown
Blue
—
—
Red
FG
Vsp
Vcc
GND
—
—
Vdc/Vm
X8A
(R25080)
Summary of Contents for FTX-N Series
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...