SiBE12-816_D
Check
Service Diagnosis
268
8.9
Rotating Pulse Input on the Outdoor Unit PCB Check
Check No.16
<Outdoor fan motor>
Make sure that the voltage of 320 ± 30 V is applied.
1. Set operation off and power off. Disconnect the connector S70.
2. Check that the voltage between the pins 4 - 7 is 320 VDC.
3. Check that the control voltage between the pins 3 - 4 is 15 VDC.
4. Check that the rotation command voltage between the pins 2 - 4 is 0 ~ 15 VDC.
5. Keep operation off and power off. Connect the connector S70.
6. Check whether 2 pulses (0 ~ 15 VDC) are output at the pins 1 - 4 when the fan motor is
rotated 1 turn by hand.
When the fuse is melted, check the outdoor fan motor for proper function.
If NG in step 2
→
Defective PCB
→
Replace the PCB.
If NG in step 4
→
Defective Hall IC
→
Replace the outdoor fan motor.
If OK in both steps 2 and 4
→
Replace the PCB.
1
2
3
4
5
6
7
Actual rotating pulse output (0 ~ 15 VDC)
320 VDC
Rotation command pulse input (0 ~ 15 VDC)
15 VDC
(R10811)
S70
PCB
Содержание 2MKS40G2V1B
Страница 12: ...SiBE12 816_D 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 5 ...
Страница 180: ...SA Indoor Unit FFQ Series SiBE12 816_D 169 Operation Manual 2 Start 5s 5s 5s 5s 5s End ...
Страница 290: ...Outdoor Unit SiBE12 816_D 279 Removal Procedure 15 Lift and remove the electrical box Step Procedure Points R12537 ...