Service and maintenance
10.1 Fault rectification
178
Manual, 08/2017, L1V30368969104A-02
Fault state
Procedure for fault rectification
The warning LED on the motor operator lights up.
•
In the case of the 3KC4 transfer switching equipment,
the warning LED on the motor operator lights up when
the transfer switching equipment is in manual operation.
If the LED lights up even though the transfer switching
equipment is in automatic mode, an internal fault is ac-
tive. To reset the state, switch the transfer switching
equipment from automatic mode to manual operation
and back again to automatic mode. Alternatively, the
transfer switching equipment can be reset on the hard-
ware by switching off the power supply to the transfer
switching equipment for more than 3 minutes. If the LED
continues to light up, you must locate and correct the
fault.
•
The warning LED lights up if contacts 313 (priority com-
mand for the OFF position) and 317 are closed. This is a
normal state.
•
If the LED lights up for other reasons, contact Technical
Support (
http://www.siemens.com/lowvoltage/technical-
The transfer switching equipment cannot be locked.
•
Check whether the transfer switching equipment is in the
"Manual" position.
•
Ensure the handle for manual transfer has been re-
moved and is not secured in the assembly.
•
Check whether the switch on the transfer switching
equipment is in the O position (padlocking mode is only
possible in the O position).
Summary of Contents for SENTRON
Page 1: ......
Page 2: ......
Page 10: ...Introduction 10 Manual 08 2017 L1V30368969104A 02 ...
Page 12: ...General information 2 1 Certification 12 Manual 08 2017 L1V30368969104A 02 ...
Page 24: ...Product information 3 2 Product family 24 Manual 08 2017 L1V30368969104A 02 ...
Page 26: ...Functions 26 Manual 08 2017 L1V30368969104A 02 ...
Page 176: ...Accessories 9 18 Electronic module 3KC8 only 176 Manual 08 2017 L1V30368969104A 02 ...
Page 220: ...Appendix A 3 Storage conditions 220 Manual 08 2017 L1V30368969104A 02 ...