4. Trouble Shooting
If the UPS system does not operate correctly, please solve the problem by referring to the table below:
Warning 01
1) The battery is not connected
well;
2) The battery protection device
is open.
1) Connect the battery well;
2) Replace or restore the protection
device.
Warning 07
1) Battery numbers and its
setting is not matching;
2) Charger voltage is too high. It
will cause charger failure.
1) Correct the battery number or its
setting;
2) Disconnect the battery and check
the charger output voltage. Then,
contact the dealer for repair.
1) Battery is discharged deeply
to low voltage.
2) Battery number is not correct.
3) Battery is in the end of life.
1) Recharge the battery.
2) Correct the battery number.
3) Replace the battery.
Overload. Remove excess loads from UPS output.
1) Fan is blocked.
2) Fan is in the end of life.
3) Fan circuit failed.
1) Clean fan to make sure it is not
blocked.
2) Contact the dealer to replace the
fan.
3) Contact the dealer for repair.
EPO plug (jumper) is removed or
the external EPO switch is off.
Connect the EPO plug (jumper) well or
switch on the external EPO switch.
The internal temperature is too
high and reaches warning level:
1) Maybe the environment is hot.
2) Maybe the fan is blocked or
failed.
3) Maybe the ventilation is
blocked by the wall or other
goods.
4) Overload
1) Make sure the ambient temperature
is not over 40°C.
2) Make sure the fan is OK.
3) Make sure ventilation is well.
4) Remove some loads if possible.
Charger failure. Contact the dealer for repair.
Input fuse on the power stage
board is blown.
Check and replace the input fuse.
Locked in bypass after overload 3
times in 30 minutes.
Remove excess loads from UPS output
first, then shut down the UPS and
restart it.
Cover of maintain switch is open.
Please put the cover back.
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