600 Fault tracing
73A1 Load feedback
Programmable fault: 90.55
Load feedback fault
No load feedback received. Check the auxiliary code (format XXYY
ZZZZ). “XX” specifies the number of the
encoder interface module (01:
91.11/91.12, 02: 91.13/91.14), “YY”
specifies the encoder (01: 92 Encoder 1
configuration, 02: 93 Encoder 2
configuration). “ZZZZ” indicates the
problem (see actions for each code
below).
0001 Load gear definition invalid or
outside limits.
Check load gear settings (90.53 and
90.54).
0002 Feed constant definition invalid
or outside limits.
Check feed constant settings (90.63 and
90.64).
0003 Motor/load gear definition
invalid or outside limits.
Check motor/load gear settings (90.61
and 90.62).
0004 Encoder not configured. Check encoder settings (92 Encoder 1
configuration or 93 Encoder 2
configuration).
Use parameter 91.10 Encoder parameter
refresh) to validate any changes in the
settings.
0005 Encoder stopped working. Check encoder status.
73B0 Emergency ramp
failed
Emergency stop did not finish
within expected time.
Check the settings of parameters 31.32
Emergency ramp supervision and 31.33
Emergency ramp supervision delay.
Check the predefined ramp times
(23.11…23.19 for mode Off1, 23.23 for
mode Off3).
73B1 Stop failed Ramp stop did not finish within
expected time.
Check the settings of parameters 31.37
Ramp stop supervision and 31.38 Ramp
stop supervision delay.
Check the predefined ramp times in
parameter group 23 Speed reference
ramp
.
73F0 Overfrequency Maximum allowed output
frequency exceeded.
Without a dual-use license, the fault limit
is 598 Hz. Contact your local ABB
representative for dual-use licensing
information.
Code
(hex)
Fault Cause What to do
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