How to fix a Gtec ZY120-3K UPS when it warns 'Battery not connected'?
If your Gtec UPS displays a 'Battery not connected' warning, it indicates the battery is not properly connected. Check if the battery switch is turned off or if the battery cables are disconnected. Ensure that the battery switch is on and the cables are securely connected.
What to do if my Gtec ZY120-3K warns about reversed line neutral wires or that PE is not grounded?
If your Gtec UPS warns about reversed line neutral wires or that the PE is not grounded, it means there is an issue with the wiring. Check the polarity of the line wire and neutral wire. Also, check if the PE on the input plug is shorted with the UPS rear panel. If not, please check PE wire in input power socket.
What does it mean when my Gtec ZY120-3K UPS says 'Bypass Over Load'?
A 'Bypass Over Load' warning on your Gtec UPS indicates that the load is on bypass and is experiencing an overload. To resolve this, remove some loads to ensure that the total load is less than 95% of the rated capacity of the UPS.
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