ABB ACS560 Quick Installation And Start-Up Manual page 158

158 Diagnostics
Code Fault / Aux.
(hex) code aux code
visible only on
assistant con-
trol panel and
drive com-
poser))
4982 External temper-
ature 2
4991 Safe motor tem-
perature
EN
HI
5080 Fan
5081 Auxiliary fan
broken
5089 SMT circuit mal-
function
5090 STO hardware
failure
5091 Safe torque off
5092 PU logic error
5093 Rating ID mis-
match
5094 Measurement
circuit temperat-
ure
Cause
Measured temperature 2
has exceeded fault limit.
The CPTC-02 module indic-
ates overtemperature:
• motor temperature is
too high, or
• the thermistor is in
shortcircuit.
Cooling fan feedback
missing.
An auxiliary cooling fan is
stuck or disconnected.
0001 – Auxiliary fan 1
broken
0002 – Auxiliary fan 2
broken
Safe motor temperature
fault is generated and
STO event/fault/warning
is not generated.
STO hardware diagnostics
detected an hardware
failure.
Safe torque off function
is active.
Power unit memory is
cleared.
Mismatch of drive hard-
ware and memory inform-
ation.
Fault in internal temperat-
ure measurement.
What to do
Check parameter 35.03 Measured
temperature 2, motor cooling and
fault limit for measured temperat-
ure 1.
Check the cooling of the motor.
Check the motor load and drive
ratings. Check the wiring of the
temperature sensor. Repair wiring
if faulty.
Measure the resistance of the
sensor. Replace the sensor if faulty.
See A581 Fan (page 70).
Check auxiliary fan(s) and connec-
tion(s). Replace fan if faulty.
Check connection between the relay
output of the module and the STO
terminal.
Contact ABB for hardware replace-
ment.
Check safety circuit connections
parameter 95.04 Control board
supply.
Contact ABB.
Cycle power to the drive. You may
have to repeat this.
Contact ABB.