Check; How To Check - Daikin SUPER MULTI NX G Series Service Manual

Check

6. Check

6.1

How to Check

6.1.1 Fan Motor Connector Output Check
Check No.01
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).
149
S1
7
Motor power supply voltage (310 ~ 340 VDC)
6 Unused
5 Unused
4 GND
3
Motor control voltage (15 VDC)
2
Rotation command voltage (1~ 5 VDC)
1
Rotation pulse input
SiUS12-928_A
(R12404)
Service Diagnosis