- 28 -
TROUBLESHOOTING
If the UPS does not operate properly and you cannot solve the problems using this troubleshooting
information in this userís guide, please contact you LEONICS local distributor, LEONICS Service Center, send
e-mail to [email protected] or visit www.leonics.com.
Press and hold PRECHARGE
button for 5-8 seconds.
No any indicator is lit.
Once the UPS started, MAIN
TENANCE BYPASS indicator
is lit, ALARM indicator blinks
and alarm sound.
2 BATTERY LEVEL indicators
are lit, ALARM indicator
blinks and alarm sound.
The UPS shuts down.
SHUTDOWN indicator is lit,
1-2 BATTERY LEVEL indica-
tor are lit, ALARM indicator
blinks and alarm sound.
1 BATTERY LEVEL indicator
is lit, ALARM indicator blinks
and alarm sound.
OVERLOAD indicator lit,
ALARM indicator blinks and
alarm sound.
OVERLOAD indicator is lit,
ALARM indicator blinks and
alarm sound.
Symptoms
Possible causes
Solutions
Reverse battery polarity connection
MAINTENANCE BYPASS switch is at
position BYPASS (B).
Low battery power.
The UPS supplied power from battery
until the battery power is very low and
then the UPS shuts down
automatically.
Battery capacity is too low and need to
be replaced.
UPS is overloaded.
The UPS was overloaded for long time
until shutdown automatically.
Reconnect battery system and verify the
poles.
Turn MAINTENANCE BYPASS switch is at
position AUTO (A) .
1. Press ON button to mute the alarm
sound.
2. Turn off loads.
3. Wait until the battery is fully charged
then turn on loads again.
1. Press ON button to mute alarm sound.
2. Turn off loads.
3. Restart the UPS
4. Wait until the battery is fully charged
then turn on loads again.
1. Press ON button to mute the alarm
sound.
2. Turn off loads.
3. Turn off the UPS.
4. Turn off OUTPUT (if any), INPUT, BYPASS
INPUT (if available) and BATTERY circuit
breakers.
5. For 1000 VA model or lower, unplug
AC power cord from utility power.
6. Replace new battery that is same type
and rating.
7. Start-up the UPS again .
Disconnect some loads until the load
quantity is less than the UPS power
rating.
1. Press ON button to mute alarm sound.
2. Disconnect some loads until the load
quantity is less than the UPS capacity.
3. Press ON button to start and reset the
UPS.
