ABB ACS355 series User Manual page 359

CODE FAULT
0007 AI1 LOSS
(8110)
0305 bit 6
(programmable
fault function
3001, 3021)
0008 AI2 LOSS
(8110)
0305 bit 7
(programmable
fault function
3001, 3022)
CAUSE
Missing input power line
phase.
Blown fuse
Rectifier bridge internal
fault.
Analog input AI1 signal
has fallen below limit
defined by parameter
3021 AI1 FAULT LIMIT.
Analog input signal is
weak or does not exist.
Analog input signal is
lower than fault limit.
Analog input AI2 signal
has fallen below limit
defined by parameter
3022 AI2 FAULT LIMIT.
Analog input signal is
weak or does not exist.
Analog input signal is
lower than fault limit.
Fault tracing 359
WHAT TO DO
Measure the input and DC voltage
during start, stop and running by using
a multimeter or check parameter
DC BUS VOLTAGE.
Check the condition of input fuses.
Replace the drive.
Check the source and wire
connections of the analog input.
Check parameters 3001 AI<MIN
FUNCTION and 3021 AI1 FAULT
LIMIT.
.
Check the source and wire
connections of analog input.
Check parameters 3001 AI<MIN
FUNCTION and 3021 AI1 FAULT
LIMIT.
0107