Liebert GXT2 User Manual download pdf (Page 28)

28 Chapter 4 Maintenance and Storage

E1-20010329-C-1.0

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Notice

1. Never short-circuit the battery terminals, which may result in fire.

2. Never open the battery, as the electrolyte is harmful to human body. In the event of

inadvertent contact of electrolyte, immediately rinse it off with water and go to hospital

for treatment .

II. Keep Air Vent Unblocked

1. Regularly clean the system, especially the air inlet and air outlet. Make sure the air

flows freely inside the chassis. Use vacuum cleaner for cleaning when necessary.

2. Check the air vents on the front, rear, and side panels, make sure they are not

obstructed .

III. UPS State Check

1. Check whether the UPS is faulty: is the fault indicator ON ? Is fault alarm being

displayed.

2. Is the UPS operating in Bypass mode: in normal case, the UPS operates in Normal

mode; if it is operating in Bypass mode, please find out the reason, for instance:

operator intervention, overload, internal fault, etc.

3. Is the battery discharging: when the Utility is normal, the battery shouldn't discharge;

if the UPS is operating in Battery mode, please find out the reason, for instance: Utility

failure, battery test, operator intervention, etc.

IV. Function Inspection

It is recommended to inspect the UPS functions once half year.

1. Press the OFF button, check whether the buzzer, LED indications and LCD display

are normal (see Section 3.1 Operation Mode). Please do this after confirming that the

Utility is normal and data backup has been done.

2. Press the ON/SILENCE button, check again whether the LED indications and LCD

display are normal and the UPS transfers to Normal mode.

3. When the inverter is in Normal mode (the inverter indicator is on ), press and hold

the ON/SILENCE button for 4 seconds to start battery test. Should any battery problem

be found, immediately find out the problem and solve it.

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Liebert GXT2 User Manual Page 28