Daikin RMXS-L Series, Руководство по обслуживанию

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SiUS181305E Troubleshooting for CTXS, FTXS, CDXS, FDXS Series
Troubleshooting 166
4.5.2 Fan Motor Connector Check
Check No.02
CTXS/FTXS 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).
4.5.3 Hall IC Check
Check No.04
CDXS/FDXS Series
1. Check the connector connection.
2. With the power on, operation off, and the connector connected, check the following.

Output voltage of about 5 V between pins 1 and 3.

Generation of 3 pulses between pins 2 and 3 when the fan motor is operating.
If NG in step 1

Defective PCB

Replace the PCB.
If NG in step 2

Defective Hall IC

Replace the fan motor.
If OK in both steps 1 and 2

Replace the PCB.
7
6
5
4
3
2
1
S1
(R12404)
Motor power supply voltage (310 ~ 340 VDC)
Unused
Unused
GND
Motor control voltage (15 VDC)
Rotation command voltage (1~ 5 VDC)
Rotation pulse input
1 Gray (power supply)
Purple (signals)
Blue (grounding)
2
3
(R14211)
S7