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6.3 Time to replace the batteries
When the LCD backlight turns to red, the screen displays “bTWK” and there is a
continuous alarm the batteries may need to be replaced. Please check the
battery connection or contact your supplier to arrange replacement.
WARNING:
Turn off the UPS and disconnect it from the mains power supply.
Servicing should only be performed by qualified service personnel with
knowledge of batteries, UPS systems and an understanding of the required
precautions. Keep unauthorised personnel away from batteries.
Batteries can present a risk of electrical shock or burn from high short circuit
currents. The following precautions should be observed when working on
batteries:
1.
Remove watches, rings, or other metal objects.
2.
Use tools with insulated handles.
3.
Do not lay tools or metal parts on top of batteries.
4.
Wear rubber gloves and boots.
5.
Disconnect the charging source prior to connecting or disconnecting the
battery terminal.
When replacing batteries, replace with the same type and number of
batteries or battery packs. Contact your supplier to order new batteries.
