Modifications
Reserved
25
OPM_ITS_USM_M06_M20_0US_V011 (09/2007)
Appendix A: Troubleshooting
Problem
Possible Reasons
Solutions
Input power source error
Check the power source
Input circuit breaker on the rear panel
has tripped
Reset Input circuit breaker
Time of pressing the ON/TEST button is
too short
Press the “ON/TEST” button for over 1 second
UPS won't operate after
pressing “ON/TEST” or “OFF”
buttons
No LEDs illuminated, no
warning sounds
Output short circuit or overload on UPS
Turn OFF UPS, take disconnect all load(s), verify there are no problems
on the load(s) or any internal short circuit. Press the “ON” button for
over 1 second
No power source input
Check the input power source
Indicates no utility, and alarms
every several seconds
Non-fuse switch on the rear panel hasn't
been opened
Press the Non-fuse switch to its "ON" position
Fault buzzer keeps sounding UPS has internal failure
Contact the
GE UPS Service Center
for help at
800-637-1738
Alarm continues sounding
Overload
Remove some load
Input circuit breaker on the rear panel
has tripped
Reset Input circuit breaker
Utility indicating light is not
illuminated
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 old and can't be fully
charged
Keep UPS input (utility) power "ON" for over 3 hours to recharge the
batteries. Verify the load and disconnect any non-crucial load
equipment
Available capacity duration of
the batteries is too short
The battery charger is out of order
Contact the
GE UPS Service Center
for help at
800-637-1738
The battery alarm LED is
flashing when the power of
UPS is supplied by utility
Voltage of batteries is too low or the
batteries haven't been connected
Inspect the battery section of UPS, make sure batteries are securely
connected. If there is any damage on battery packs, they must be
replaced
