User`s manual

D:\manual\UM_PCM-ULT\ML_Ult3k\661-UT3K-002-31.doc
KEVIN KU 第 22 頁 2003/3/4
A
PPENDIX A
T
ROUBLESHOOTING
Problems Possible Reasons Solutions
Input power source
mistake
Check out the power source
Non-fuse switch on the
rear panel hasn't been
opened
Press the non-fuse switch to its "on" position
Time of pressing the ON
button is too short
Keep pressing the ON button over 1 second
1. UPS can't
operate after
pressing On/Off
switches
2. No lights on, no
warning sounds
Output short circuit or
overload on UPS
Turn off UPS, take off all load to make sure
there are no problems on it or any internal
short circuit. Keep pressing the ON button
over 1 second
No power source input Check out the input power source Indicates no utility,
and it warns every
several seconds
Non-fuse switch on the
rear panel hasn't been
opened
Press the Non-fuse switch to its "on" position
Fault light is on, the
buzzer keeps
beeping
UPS is broken Contact the dealer or service center for help
Buzzer keeps
beeping
Overload Take off some load
There is an open circuit
on UPS input protector
Move the Input Non-fuse switch back to its
normal position, re-engage UPS
Utility Indicating
light is shining
The voltage of utility is
exceeding UPS input
range
Save the digital data and shutdown the
applying program to make sure utility is
within UPS range
1. Batteries haven't
been charged
2. UPS overload
3. Batteries are aged
and can't be charged
fully
Keep UPS "ON" for over 3 hours to recharge
the batteries. Check out the loading and
take off any non-crucial load equipment
Available time of the
batteries is too short
The charger is out of
order
Contact the dealer or service center for help
The battery’s light is
flashing when the
power of UPS is
supplied by utility.
The voltage of batteries
is too low or the
batteries haven't been
connected
Check out the batteries part of UPS, make
sure they are well connected. If there is any
damage on battery packs, replace new ones
ASAP
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