The TROUBLESHOOTING TABLE in the next page covers most of the difficulties that you
may encounter under normal working conditions. If the UPS fails to operate properly,
please review the following steps before calling the repair center:
1.Is the UPS plugged into a proper working outlet?
2.Is the line voltage within the rating specified?
3.Does the fuse on the rear panel need to be replaced?
5. Troubleshooting
Please do not open the metal cover.
There are no user serviceable parts inside.
The batteries contained in this UPS are recyclable.
The batteries contain lead and pose a hazard to the environment and
human health If not disposed of properly.
CAUTION
* Do not open or mutilate the batteries. They contain an electrolyte which is
toxic and harmful to the skin and eyes.
* A battery can present a risk of electrical shock and high short circuit current.
When replacing batteries, wrist watches and jewelry such as rings should be
removed. Use tools with insulated handled.
NOTE
Please note the following information when you call for service:
1.Model No. / Serial No.
2.Date of purchase.
3.Full description of problem.
5.1 Trouble Shooting Table
Abnormal Situation
Cause
Solution
Ups can not turn on and
LED not lit
On / Off switch not pushed or
pushed less than 2 seconds
Press and hold the main switch
for more than 2 seconds
Battery voltage is too low
Recharge the battery for at least
4 hours
Ups always at battery
mode
Power cord loose
Input circuit breaker tripped
Line voltage over range
Line frequency over range
Re-plug the power cord firmly
Remove some loads and reset
circuit breaker
Check input voltage
Check input frequency
Troubleshooting
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