Troubleshooting - Eaton Ulusoy HMH24-02 Manual

Troubleshooting

Voltage indicator does not work.
Front door of switchgear does not open/
close.
The earthing switch does not open.
LBS can not closed.
LBS does not work with electrical
commands.
Charging motor does not work.
Spare Part
Voltage indicator lamp failure.
Voltage indicator input cable failure.
For incoming switchgear: MV cables are not energized.
For outgoing switchgear: Check the LBS.
Check the earthing switch.If the earthing switch is open,
close the earthing switch.
Check the front door of switcghear. Shell be closed properly.
Remove the front door of the switchgear and operate the earthing
switch.
Double check ES contact lubricating.
Check the earthing switch if it is closed.
Check the LV cable connections.
Check the LV fuses.
Check the earthing switch.
Check the DC auxilliary supply.
Check the DC auxilliary supply polarity.
Please ensure that the switchgear is not fully manuel.
Check the low voltage cable connections
Check the low voltage fuses
Check the earthing switch
Check the motor supply
Check the motor supply polarity
Contact with sales department.
Ulusoy HMH24-02 Transformer Protection Switchgear (LBS Compound Fuse)
Then you need to open.
September 2020 www.eaton.com 17