170
Failure code
Outdoor digital
display tube:
119-0, 1
Indoor wired
controller77
Indoor unit LED status
LED5
Failure description:
The current detection of inverter control
board 1 and 2 is abnormal
20 times
Outdoor unit LED status
LED1
LED2
Normal
Normal
1. Model
Failure diagnosis and troubleshooting
Flow Logic III series
Diagnosis
Troubleshooting
2. Abnormity detection method
◆
Check if the current sensor
is reversely connected and U
and W is in reverse direction.
◆
Check if the current sensor
is in reverse direction. (the
arrow on sensor points at the
compressor)
◆
Check if the inverter board is
well.
◆
Check if the current sensor
is well.
3. Abnormity confirmation
conditions
The current detection sensor
of inverter control board
is in abnormal conditions,
disconnected or connected
incorrectly.
4. Possible causes
◆
The inverter board and current
sensor is anti-connected or the
current sensor is in incorrect
direction.
◆
The inverter board or current
sensor is damaged.
Replace the corresponding
control boards on failure unit
with inverter control board
and module driver board
respectively and check if the
control board is in abnormal?
Replace the compressor
on the failure unit to
drive with compressor in
good performance and
check if the compressor
is abnormal?
R e p l a c e t h e a b n o r m a l
compressor.
Replace the abnormal
yinverter control board or
module driver board.
Y
Y
Continued
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...