Troubleshooting - Conceptronic CUPS650 Manual Del Usuario

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 TROUBLE SHOOTING
Symptom
No LED display on
the front panel.
Alarm buzzer beeps
continuously when
AC supply is normal.
When power failure,
back-up time is
shorten.
Mains normal but
LED is flashing.
If any abnormal situations occur that are not listed above, please call service people immediately.
Possible Cause
1. Battery weak.
2. Battery defect.
3. Power switch is not pressed.
Overload of the UPS.
1. Overload of the UPS.
2. Battery voltage is too low.
3. Battery defect due to high
temperature operation
environment, or improper
operation to battery.
Power cord is loose.
Enjoy the use of your Conceptronic UPS!
Remedy
1. Charge battery up to 8 hours.
2. Replace with the same type of
battery.
3. Press the power switch again.
Verify that the load matches the UPS
capability specified in the spec.
1. Remove some noncritical load.
2. Charge battery 8 hours or more.
3. Replace with the same type of
battery.
Reconnect the power cord properly.