Indoor Fan Motor Connector Output Check - Daikin FTXS20K2V1B Service Manual

SiBE041134EB
5.2

Indoor Fan Motor Connector Output Check

Check No.03
1. Check the connector for connection.
2. Turn the power off.
3. Check if each resistance at the phases U - V and V - W is 90
1. Check the connector for connection.
2. Check the motor control voltage is generated (between the pins 2 - 3).
1. Check the connector for connection.
2. Turn the power on and stop the operation.
3. Check if the Hall IC generates the rotation pulse 4 times when the fan motor is manually
Service Diagnosis
Fan motor wire breakdown / short circuit check
12 - 9, and between 9 - 6).
Motor control voltage check
Rotation pulse check
rotated once (between the pins 1 - 3).
S200
12
11
10
9
8
7
6
5
4
3
2
1
Phase U
Free pin
Free pin
Phase V
Free pin
Free pin
Phase W
Free pin
Free pin
GND
Motor control voltage (15 VDC)
Rotation pulse (5 VDC)
Check
Ω Ω
~ 100 (between the pins
(R11979)
95