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AUDIBLE ALARM CONDITIONS
CONDITION ALARM
Battery mode
(utility failure)
One short beep every ten seconds; more than two
minutes of run time remaining
Low battery Two short beeps every five seconds; less than two
minutes of run time remaining
Battery replacement Two second beep every minute
UPS output overload One short beep every second
UPS fault Continuous tone
FUSE REPLACEMENT PROCEDURES
FOR 700 VA MODELS
CAUTION: Before changing the supply fuse, turn off the UPS, and unplug the
input cord from the AC input power supply and from the UPS.
1. Remove the fuse holder by inserting a flat blade screwdriver into the slot and
pulling out as indicated in the figure above.
2. Remove the input fuse.
3. Remove the spare fuse from its position by using the screwdriver to push it out.
4. Place spare fuse in the input fuse position, and replace the fuse holder. The
fuse holder will lock into position.
5. Reconnect the input power lead to the UPS, and the input power lead to the
input AC supply.
6. Restart the UPS. The UPS is ready for normal operation.
NOTE: For 1000, 1400, and 2200 VA units press the reset circuit protector button.
Insert flat blade screw
driver into slot and pull
fuse holder out to remove
AC Inlet
Fuse Holde
r
Input Fuse
Spare Fuse