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8. Trouble Shooting
Silencing Alarm
This is a special design for Silence during Battery Mode. By pressing any of the three buttons
on the front panel, UPS will mute during Battery Mode. When the battery runs low, UPS will
alarm again to draw attention.
On the LCD display, you can also choose silent mode which will not warn you of any
malfunction audibly.
General Maintenance
With a minimal amount of maintenance, you can expect the UPS to function smoothly.
Otherwise consider changing the batteries to have a longer life free of trouble.
The most critical issues for the reliability of the UPS are environmental issues.
Ensure that the temperature and humidity always match the specifications and keep the area
around the UPS clean and dust free.
At a temperature of 25°C, the typical battery lifetime is 2 year.
Check every 6 to 12 months whether the back-up time of the battery is adequate.
8.1 Trouble shooting (Error code)
High output voltage
Contact for technical assistance
Low output voltage
Contact for technical assistance
Output short circuit
Contact for technical assistance
High internal DC bus Voltage
Contact for technical assistance
High Surrounding Temperature.
Make sure the unit’s fans and vent holes are not blocked. If these
conditions did not solve the problem, call your service representative.
Wrong UPS input wiring between Neutral and Line
Wrong connection of UPS input and main. Turn the plug 180 and plug in again.
Connected equipment needs more power than UPS can provide. Line
Mode UPS is overload, UPS is in bypass
Shut off the least important equipment connected to UPS. UPS will switch
from bypass back to normal operation if the overload problem is solved.
Batteries are overcharge
Turn off protected loads. Turn off UPS and call your local dealer
Charger has failed
Contact for technical assistance
Battery has failed
Contact for technical assistance
Wrong AC Line backed up during auto restart
Check main power and frequency
The UPS is doing a battery test
No action needed. UPS will return to normal operation when it completes
the battery test successfully.
The unit is operating on Battery Power
Save your data and perform a controlled shutdown.
UPS will shut down due to low battery voltage
The unit will restart Automatically when acceptable power returns.