Troubleshooting - Njoy Aira 600 Series User Manual

7

Troubleshooting

Problem
UPS no reaction
while AC is
connected.
Power output
is normal, UPS
emits continuous
beep, Load level
indicator flickers.
UPS does not
provide expected
run time.
Button on front
panel does not
work.
UPS emits
urgent beep,
battery capacity
indicator flickers.
Possible cause
1. Line cord plug is
loose.
2. Breaker broken.
3. Dead wall
socket.
The inveryer is
overloaded.
1. Excessive loads
connected at UPS's
outlets.
2. Battery is
weak and can not
provide enough
power.
The CPU inside
UPS is not running
correctly.
2. Button damage.
Low battery
Solutions
1. Check the line cord plug.
2. Replace the breaker.
3. Check wall socket with a
table lamp.
Turn off the UPS and unplug
excessive loads from UPS.
Do not operate the UPS.
Leave the UPS plugged in
for 10 hours. Then test it
again.
If UPS still can not provide
expected run time, battery
should be replaced.
Unplug line cord and battery
cord from the UPS to let it
shut down automatically.
Then plug the line cord and
battery cord again.
If button still fails, please
call for service.
1. Charge batteries.
2. Replace batteries.
3. Call for service.
11