Warning Status; Troubleshooting Table - INFOSEC 5000 VA User Manual

4-1. Warning status

When Fault LED flashes and the buzzer beeps once every second, it means that there are some problems with UPS. Users
can see the warning code from LCD panel and refer to the trouble shooting table to check what problem probably happen.
4-2. Fault mode
1) When Fault LED illuminates and the buzzer beeps continuously, it means that there is a fatal error about UPS.
Users can get the fault code from LCD panel. Please refer to the trouble shooting table to check what problems
probably happen.
2) Don't try to turn on the UPS again before the problem is clear. If the problems can't be fixed, please contact the
distributor or service people immediately.
3) For emergency case, please cut off the connection from utility, external battery, and output immediately to avoid
more risk or danger.
4-3. Trouble shooting table
If the UPS system does not operate correctly, please solve the problem by referring to the table below:
Alarm type LCD display
Warning 01: Batt Open
Warning 07: Over Charge
Warning 08: Batt Low
Warning 09: Over load
Warning 0A: Fan Error
Warning 0B: EPO Enable
Warning 0D: Over Temp
Warning 0E: Charger Fail
Warning 10: IP Fuse Open
Warning 33: Overload
3Times
Warning 3A: Maintain Open
24
Possible cause
1) The battery is not connected well;
2) The battery protection device is open.
1) Battery numbers and setting are not
matching.
2) Charger voltage is too high or charger
failure.
1) Battery is discharged deeply to low
level.
2) Battery number is not correct.
3) Battery is in the end of life.
The load is too heavy.
1) Fan is blocked.
2) Fan is in the end of life.
3) Fan detection circuit failed.
EPO plug (jumper) is removed or the external
EPO switch is off.
The internal temperature is too high and
reach the warning level:
1) Maybe the environment is hot;
2) Maybe the fan is blocked or failed;
3) Maybe ventilation is blocked by the wall
or other goods.
4) Load is too heavy.
Charger failed.
Input fuse on the power stage board is burnt.
Locked in bypass after overload 3 times in 30
minutes.
EMBS port is open or the maintain switch
sensor (connected to EMBS port) is trigged.
(The UPS is transferred to bypass).
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Remedy
1) Connect the battery well.
2) Replace or restore the
protection device.
1) Correct the battery number or
its setting.
2) Disconnect the battery and
check the charger output
voltage. Then, contact the
dealer to repair.
1) Recharge the battery.
2) Correct the battery number.
3) Replace the battery.
Remove excess loads from UPS
output.
1) Make sure fan is not blocked.
2) Contact the dealer to replace
the fan.
3) Contact the dealer to repair.
Connect the EPO plug (jumper) well
or switch on the external EPO
switch.
1) Make sure ambient temperature
not over 40ºC.
2) Make sure the fan is OK.
3) Make sure ventilation is well.
4) Remove some loads if possible.
Contact the dealer for repair.
Check and replace the input fuse.
Remove excess loads from UPS
output first. Then, shut down the
UPS and restart it.
If the EMBS port is short-circuited,
the warning will disappear.