Troubleshooting
Voltage indicator does not work.
Voltage indicator lamp failure.
Voltage indicator input cable failure.
For incoming switchgear: MV cables are not energized.
For outgoing switchgear: Check the LBS.
Front door of switchgear does not open/
close.
Check the earthing switch.If the earthing switch is open,
close the earthing switch.
The earthing switch does not open.
Check the front cover of switcghear. Shell be closed properly.
Remove the front cover of the switchgear and operate the earthing
switch.
Double check ES contact lubricating.
LBS can not closed.
Check the earthing switch if it is closed. Then you need to open.
LBS does not work with electrical
commands.
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.
Charging motor does not work.
Check the LV cable connections. Check the LV fuses / MCBS.
Check the earthing switch position.
Check the motor supply with AVO metar.
Check the motor supply polarity. (+/-)
Spare Part
Contact with sales department.
Ulusoy HMH24-01 Incoming-Outgoing Switchgear with LBS User Manual
August 2020 www.eaton.com
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