Fault tracing 295
2027
FEN TEMP MEAS
FAILURE
Error in temperature
measurement when a
temperature sensor (KTY
or PTC) connected to
encoder interface FEN-xx
is used.
Check that parameter 46.08 MOT
TEMP SOURCE setting
corresponds to encoder interface
installation (09.20 OPTION SLOT 1
/ 09.21 OPTION SLOT 2):
If one FEN-xx module is used:
• Parameter 46.08 MOT TEMP
SOURCE setting must be either
KTY 1st FEN or PTC 1st FEN.
FEN-xx module can be in either
Slot 1 or Slot 2.
If two FEN-xx modules are used:
• When parameter 46.08 MOT
TEMP SOURCE setting is KTY
1st FEN or PTC 1st FEN, the
encoder installed in drive Slot 1
is used.
• When parameter 46.08 MOT
TEMP SOURCE setting is KTY
2nd FEN or PTC 2nd FEN, the
encoder installed in drive Slot 2
is used.
Error in temperature
measurement when a KTY
sensor connected to
encoder interface FEN-01
is used.
FEN-01 does not support
temperature measurement with a
KTY sensor. Use a PTC sensor or
another encoder interface module.
2028
ENC EMUL MAX
FREQ
TTL pulse frequency used
in encoder emulation
exceeds the maximum
allowed limit (500 kHz).
Decrease parameter 93.07 EMUL
PULSE NR value.
Note: The new setting will only
take effect after parameter 90.06
ENC PAR REFRESH is used or
after the JCU Control Unit is
powered up the next time.
2029
ENC EMUL REF
ERROR
Encoder emulation has
failed due to a failure in
writing a new (position)
reference for emulation.
Contact your local ABB
representative.
Code Alarm Cause What to do
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