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1ZSE 5492-129 en, Rev. 6
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2. Trouble-shooting
2.3.2 Power system
Error condition Fault finding procedur
The three-phase motor runs
back and forth without the
on-load tap-changer changes
position.
Reverse two of the phases of the incoming supply.
WARNING
Dangerous voltage!
2.3.3 Miscellaneous
Error condition Fault finding procedure
Corrosion and/or condensa-
tion in the motor-drive mecha-
nism cabinet.
1. Check the function of the heater. Refer to section
Heater in the Maintenance guide.
2. Check that the air vents not have been blocked.
Water in the motor-drive
mechanism cabinet.
1. Adjust the hinges on the cabinet door.
2. Replace the door gasket on the cabinet.
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