151
Failure code
Outdoor
digital
display tube:
72-0, 1
Indoor wired
controller:
48
Indoor unit LED status
LED5
Failure description:
Fan motor 1 reverse rotation (left fan)
Fan motor 2 reverse rotation (left fan)
20 times
Outdoor unit LED status
LED1
LED2
Normal
Normal
1. Model
Diagnosis and troubleshooting
Flow Logic III series
Diagnosis
Troubleshooting
2. Abnormity detection method
◆
Check if the connection wire
is correct;
◆
Check if the motor fan is
rotating reversely, driven by
external force.
3. Abnormity confirmation
conditions
Alarm to shut down if the
reverse signal from the fan
is detected and the reverse
rotation speed is above
700rpm. (overlook the fan,
clockwise operation refers to
reverse rotation)
4. Possible causes
◆
Poor motor drive, which
causes reverse rotation of fan;
◆
Reverse rotation of fan
affected by external force.
Check if the wire harness of fan
is connected correctly.
Check if the connection wire
U, V and W of fan are in
correct order.
Check if the fan operates reversely
driven by the outdoor fan.
Replace the motor.
Adjust it correctly by after-sales
personnel on site.
Replace it correctly by after-
sales personnel on site.
Adjust it correctly by after-sales
personnel on site.
Y
Y
Y
N
N
N
Содержание AWAU-YDV1010-H13
Страница 1: ...SYJS 03 2017 REV A Edition 2017 03 Service Manual Flow Logic III...
Страница 56: ...54 7 Operation range...
Страница 102: ...100 Power module driver board 0151800090B and 0151800090...
Страница 103: ...101 Filter board MHW505A012...
Страница 187: ...Airwell reserves the right to make change without any notice...