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 / Disconnector.
Front door of the 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 door of the switchgear. It must be closed properly.
Remove the front door of the switchgear and operate the earthing
switch.
Double check the earthing switch contact lubricating.
LBS / Disconnector can not be
closed.
Check if the earthing switch is closed. Then you need to open.
LBS / Disconnector does not work
with electrical commands.
Check the LV cable connections.
Check the LV fuses.
Check the earthing switch.
Check the DC auxiliary supply.
Check the DC auxiliary supply polarity.
Please ensure that the switchgear is not fully manual.
Charging motor does not work.
Check the LV cable connections
Check the LV fuses
Check the earthing switch
Check the motor supply
Check the motor supply polarity
Spare Part
Contact with sales department.
Ulusoy HMH24-04 Incoming/Outgoing Switchgear with Circuit Breaker User Manual
www.eaton.com
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