Indoor Fan Motor Connector Check - Daikin 2MXS-W Series Service Manual

SiUS122226E
8.2

Indoor Fan Motor Connector Check

Check No.02
CTXS, FTXS, FTXR, 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).
CDMQ, FDMQ Series
1. Turn the power supply OFF.
2. With the fan motor connector disconnected, measure the resistance between each pin, then
Measuring points
Orange - Blue
Part 6 Service Diagnosis
S1 or S200
7
6
5
4
3
2
1
make sure that the resistance is more than the value mentioned in the following table.
Judgement
White - Blue 1 MΩ or more
100 kΩ or more
Brown - Blue 100 Ω or more
Red - Blue 100 kΩ or more
Motor power supply voltage (310 ~ 340 VDC)
Unused
Unused
GND
Motor control voltage (15 VDC)
Rotation command voltage (1~ 5 VDC)
Rotation pulse input
X8A
White FG
Orange Vsp
Brown Vcc
Blue GND
— —
— —
Red Vdc/Vm
(R25080)
Check
(R14225)
225