BENSHAW RSi S4 Series, User Manual

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S4 Fault Codes
8 - TROUBLESHOOTING & MAINTENANCE
8.9 S4 Fault Codes
Table below shows the fault codes that may be displayed during S4 AC drive operation, along with suggestions for
recovering from the fault condition.
When faults occur, you can access the status parameters that are saved along with the fault (Advanced Fault history).
To view these parameters, which store the drive’s status at the time of the fault, view Fault History, and select Last
Fault. Press the Enter key while viewing the last fault, and then use the UP and DOWN arrow keys to scroll through the
stored drive status parameters. Press the
Menu
key again to return to the programming mode fault parameter.
z
NOTE: Shaded faults are auto-resettable, except where noted.
Code Fault Display Description
Adv.
Fault
Code
Explanation Suggestions for Recovery
1 System System fault
0, 1, 2 Internal microprocessor problem
Consult factory for repair or
replacement
3 Thermistor profile incorrect
Consult factory for repair or
replacement
2 EE Checksum Checksum error
0
Memory problem when
reflashing the drive’s memory
- Reset drive to factory settings
- Consult factory
1, 2, 3 Conflict in drive’s memory
- Reset drive to factory settings
- Consult factory
4
Unable to write an EE parameter
after a parameter has been
changed through the keypad or
SIO
- Reset drive to factory settings
- Consult factory
5
The drive is receiving EE
parameter after a parameter has
been changed through the keypad
or SIO
Slow down the frequency of
Modbus writes
3 Curr Calibr
Current calibration
fault
0
Current calibration fault on phase
T1/U
- Check the motor connections to
the terminal strip of the drive
and at the motor
- Have motor checked
- Consult factory for repair or
replacement of drive
1
Current calibration fault on phase
T2/V
2
Current calibration fault on phase
T3/W
4 Power Supp Power supply fault 0
5V supply is below 4Vdc for
more than 100ms
- Increase resistance between
REF and analog inputs
- Check wiring to REF terminals
- Consult factory
6 IOC Trip
Instantaneous
overcurrent trip
0
Short circuit was detected on
power-up
- Remove the short from the
power wiring
- Check for shorted motor
- Consult factory
7 MOL MOL contact fault 0
The MOL digital input was
activated, depending on pull-up
or pull-down logic configuration
- Reset MOL contact or remove
condition causing the MOL
contact activation
8 Model ID ID # out of range 0, 1, 2
Control board is not reading the
drive ID properly
Consult factory for repair or
replacement
10 Res Lockout Restart lockout 0
The number of fault restarts is
greater than the limit defined in
FUN 24
Check the actual fault in the fault
log and use the appropriate
remedy