302 Fault tracing
Fault code
extension: 2
The ID run cannot be
completed because the
maximum speed setting
and/or calculated field
weakening point is too low.
Check the settings of parameters
99.04 MOT NOM VOLTAGE, 99.05
MOT NOM FREQ, 99.06 MOT
NOM SPEED, 20.01 ABS MAX
SPEED. Make sure that
• 20.01 ABS MAX SPEED > (0.55
× 99.06 MOT NOM SPEED)
• supply voltage >
(0.66 × 99.04
MOT NOM VOLTAGE).
Fault code
extension: 3
The ID run cannot be
completed because the
maximum torque setting is
too low.
Check the settings of parameters
99.09 MOT NOM TORQUE.
Fault code
extension: 4…16
Internal error. Contact your local ABB
representative.
0018
CURR U2 MEAS Measured offset error of
U2 output phase current
measurement is too great.
(Offset value is updated
during current calibration.)
Contact your local ABB
representative.
0019
CURR V2 MEAS Measured offset error of
V2 output phase current
measurement is too great.
(Offset value is updated
during current calibration.)
Contact your local ABB
representative.
0020
CURR W2 MEAS Measured offset error of
W2 output phase current
measurement is too great.
(Offset value is updated
during current calibration.)
Contact your local ABB
representative.
0021
STO1 LOST Safe torque off function is
active, ie, safety circuit
signal 1 connected
between X6:1 and X6:3 is
lost while the drive is at
stopped state and
parameter 46.05 STO
DIAGNOSTIC setting is
Alarm or No.
Check safety circuit connections.
For more information, see the
appropriate drive Hardware
manual.
Code Fault Cause What to do
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