173
Failure code
Outdoor
digital
display tube:
125-0, 1
Indoor wired
controller:
7D
Indoor unit LED status
LED5
Failure description:
The frequency of compressor 1 and 2 don’t
match
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 communication
circuits of power module and
inverter board are securely
inserted and connected.
◆
Check if the power module
is well.
◆
Check if the inverter board
is well.
3. Abnormity confirmation
conditions
(current frequency ≥ INV
target fre3Hz) or
(target frequency ≥0 && actual
frequency =0) for continuous 5
minutes
4. Possible causes
◆
The power module and
inverter board are connected
loosely, which results in
detection failure of compressor
rotation speed.
◆
The power module is
damaged.
Check if the power module
is normal.
Replace the neighboring
electrical cabinet by
e x c l u s i o n m e t h o d
before handling.
Replace the power
module or ensure the
communication circuit
between power module and
variable frequency board is
secured.
Y
N
Summary of Contents for AWAU-YDV1010-H13
Page 1: ...SYJS 03 2017 REV A Edition 2017 03 Service Manual Flow Logic III...
Page 56: ...54 7 Operation range...
Page 102: ...100 Power module driver board 0151800090B and 0151800090...
Page 103: ...101 Filter board MHW505A012...
Page 187: ...Airwell reserves the right to make change without any notice...
