User`s manual

13
Please note the following information when you call for service:
1. Model #, Serial #
2. Date of problem
3. Full description of problem
3.2 TROUBLESHOOTING CHART
TROUBLESHOOTING CHART
PROBLEM POSSIBLE CAUSE ACTION TO TAKE
Front panel switch in off position Turn on switch
Rear panel fuse blown or circuit
protector trip
Replace fuse or reset
protector. Restart UPS.
No incoming utility Check input power
No light, no alarm (UPS
not ON)
Breaker is off Check the breaker ON/OFF
Breaker is off Check the breaker ON/OFF
No incoming utility Check input power
No "LINE" light, alarms
beeps every few seconds.
Fuse blown or protector trip Replace fuse or reset
protector. If problem remains
call for service
"FAULT" LED lights, alarm
beeps continuously.
UPS failure Call for service
Backup time is less than
the rating.
Battery is not fully charged.
Dead battery.
Charger failure
Recharge the battery for at
least 6 hours. Re-test the
backup time. If problem
remains, call for service.
"LOAD LEVEL" LED"S
show over 100%
Overloaded Remove the least critical load.
Buzzer beat twice per
second.
Overloaded Remove the least critical load.