Daikin Super Multi Plus E-Series FCQ60C7VEB - Hall IC Check

Troubleshooting for RA Indoor Unit SiBE18-821_C
362 Troubleshooting
4.6.3 Hall IC Check
Check No.16 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
Æ
Defective PCB
Æ
Replace the PCB.
If NG in step 2
Æ
Defective Hall IC
Æ
Replace the fan motor.
If OK in both steps 1 and 2
Æ
Replace the PCB.
1
Gray (power supply)
Purple (signals)
Blue (grounding)
2
3
(R1990)