4 Maintenance
4.1 Troubleshooting
If any of LEDs
○
22
○
23
or
24
flash, there is an alarm or an abnormal
operation. See the table below for problems and solution.
If an LED flashes, the bargraph data is no longer displayed.
Indication
LED
24
flashes and the buzzer sounds.
Signification
UPS overload. Overload is too long or too high.
- If AC power is present and within tolerance, the UPS changes to
bypass mode (supplied directly by the AC outlet). LED
16
flashes. The buzzer sounds every second.
- If AC power is not present or not within tolerances, the connected
equipment is no longer supplied with power. The buzzer sounds
continuously.
Correction
Check the power drawn by the equipment and disconnect any short
current or non-priority devices.
Indication
ED
22
flashes and the buzzer sounds.
Signification
A battery fault was detected during the automatic battery test.
- Replace battery modules (see
4.2 Replacement of the battery
module
on page 23).
Correction
Check that the battery connector is fully pushed in.
Indication
LED
22
flashes and the buzzer emits a long beep once per hour.
Signification
The battery has reached the end of its service life.
Replace battery modules (see
4.2 Replacement of the battery
module
on page 23).
Correction
- Reset the alarm by pressing buttons
19
and
20
simultaneously
for three seconds.
- It is advisable to replace the entire battery module with a new
battery module that has the same rating as the battery module that
is being replaced.
Maintenance 21
