Fault tracing 297
2039
EARTH FAULT
Programmable
fault: 46.03 EARTH
FAULT
Drive has detected load
unbalance typically due to
an earth fault in the motor
or motor cable.
Check that there are no power
factor correction capacitors or
surge absorbers in the motor cable.
Check that there is no earth fault in
the motor or motor cables:
measure insulation resistances of
the motor and motor cable.
If no earth fault can be detected,
contact your local ABB
representative.
2041
MOTOR NOM
VALUE
The motor configuration
parameters are set
incorrectly.
Check the settings of the motor
configuration parameters in group
99 START-UP DATA.
The drive is not
dimensioned correctly.
Check that the drive is sized
correctly for the motor.
2047
SPEED
FEEDBACK
No speed feedback is
received.
Check the settings of the
parameters in group 22 SPEED
FEEDBACK.
Check encoder installation. See the
description of fault 0039
(ENCODER) for more information.
2048
OPTION COMM
LOSS
Communication between
the drive and option
module (FEN-xx and/or
FIO-xx) is lost.
Check that option modules are
properly connected to Slot 1 and
(or) Slot 2.
Check that option modules or Slot
1/2 connectors are not damaged.
To determine whether a module or
connector is damaged: Test each
module individually in Slot 1 and
Slot 2.
2072
DC NOT
CHARGED
The voltage of the
intermediate DC circuit has
not yet risen to operating
level.
Wait for the DC voltage to rise.
2075
LOW VOLT MOD
CON
Low voltage mode is
activated but the
parameter settings are
outside allowable limits.
Check the Low voltage mode
parameters in group 47 VOLTAGE
CTRL. See also section Low
voltage mode on page 175.
Code Alarm Cause What to do
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