ABB ACSM1 - Page 279

Fault tracing
279
0022 STO2 LOST
(0x8183)
Safe Torque Off function is
active, i.e. safety circuit signal 2
connected between X6:2 and
X6:4 is lost while drive is at
stopped state and parameter
46.07 STO DIAGNOSTIC
setting is (2) ALARM or (3) NO.
Check safety circuit connections. For more
information, see appropriate drive hardware
manual.
0023 STO MODE CHANGE
(0xFF7A)
Error in changing Safe Torque
Off supervision, i.e. parameter
46.07 STO DIAGNOSTIC
setting could not be changed to
value (1) FAULT.
Contact your local ABB representative.
0024 INTBOARD OVERTEMP
(0x7182)
Interface board (between power
unit and control unit)
temperature has exceeded
internal fault limit.
Let drive cool down.
0025 BC MOD OVERTEMP
(0x7183)
Input bridge or brake chopper
temperature has exceeded
internal fault limit.
Let drive cool down.
0026 AUTOPHASING
(0x3187)
Autophasing routine (see
section Autophasing on page
40) failed.
Try other autophasing modes (see parameter
11.07 AUTOPHASING MODE) if possible.
0027 PU LOST
(0x5400)
Connection between the JCU
Control Unit and the power unit
of the drive is lost.
Check the connections between the JCU
Control Unit and the power unit.
0028 PS COMM
(0x5480)
Communication errors detected
between the JCU Control Unit
and the power unit of the drive.
Check the connections between the JCU
Control Unit and the power unit.
0029 IN CHOKE TEMP
(0xFF81)
Temperature of internal AC
choke excessive.
Check cooling fan.
0030 EXTERNAL
(0x9000)
Fault in external device. (This
information is configured
through one of programmable
digital inputs.)
Check external devices for faults.
Check setting of parameter 46.01 EXTERNAL
FAULT.
0031 SAFE TORQUE OFF
(0xFF7A)
Programmable fault: 46.07
STO DIAGNOSTIC
Safe Torque Off function is
active, i.e. safety circuit
signal(s) connected to
connector X6 is lost
- during drive start or drive run
or
- while drive is stopped and
parameter 46.07 STO
DIAGNOSTIC setting is (1)
FAULT.
Check safety circuit connections. For more
information, see appropriate drive hardware
manual.
Code Fault
(fieldbus code)
Cause What to do