Fault codes and software
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4
10.5.2. Defect code
TABLE 16.
System software fault codes
Code
Sub
code
Module
Sub
module
Explanation
Fault mode
F1
Over
cur-
rent
fault
S1
1=Power
2=Power
1
3=Power
2
1=Unit
3=U
phase
4=V
phase
5=W
phase
Appears in all
unit sizes. If the
fault appears in
the STOP-sec-
tion, there is
faulty hardware
in the unit. Sig-
nal: ASICITR
1. Check the paremeter
values and correct them
if needed. Hardware or
software trip.
2. Check that the unit
has been dimensioned
correctly.
3. Check hardware:
IGBT, power board, con-
trol board, ASIC board,
SC motor cable and the
motor.
S2
1=Power
1=Unit
Appears in the
NXS unit only.
1. Check the parameter
values.
2. Check that the unit
size is correct to the use.
3. Check hardware:
IGBT, power board, con-
trol board, ASIC board.
S3
1=Power
1=Unit
Current limit too
low or current
peak value too
high. l^2*t.
1. Check the parameter
values.
2. Check that the unit
size is correct to the use.
3. Check hardware:
IGBT, power board, con-
trol board, ASIC board.
