67
9-2-9 Outdoor Fan motor error
Indoor display
7-SEG DISPLAY
DESCRIPTION
C458
Outdoor fan error
Outdoor display
●
Outdoor fan error
LED ON
LED BLINKING
LED OFF
1. Checklist :
1) Are the input power voltage and the power connection correct?
2) Is the motor wire connected to the outdoor PBA correctly?
3) Is there no assembly error or non-assembly in the terminal of motor wire connector?
4) Is there no obstacle at the surrounding of motor and propeller?
2. Troubleshooting procedure
NO
YES
YES
YES
NO
YES
YES
NO
NO
NO
Restart after power off.
Does the fan rotate?
Is the fan error appeared again?
Is the voltage of "A" #1-#3 over 250Vdc
Is the voltage of "A" #3-#5 and
#3-#6 with in 1Vdc~15Vdc during
the operation?
Reassemble the fan wire and input the power again
PBA problem or Motor problem
Change the PBA first and check the operation
Exchange the Fan motor
Exchange the Outdoor PBA
Follow the check procedure of outdoor
unit power supply error check
Terminate the
service
Exchange the
Fan motor
Is there short among
each pin #1~#6 ?
Power off and Separate the Fan motor wire
from "A" on Outdoor PBA
Summary of Contents for AR07TXFYAWKNEU
Page 53: ...53 7 3 DISPLAY PCB DB92 04833B ...
Page 78: ...78 10 1 Indoorunit 10 Block Diagram ...
Page 79: ...79 10 2 Outdoorunit ...
