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7. Batteries contain hazardous voltage and current. Battery maintenance such as the battery replacement
must be carried out by qualified personnel who are knowledgeable about batteries. No other persons should
handle the batteries.
5. Troubleshooting
The following messages are the messages that users would find on UPS when it meets some problem,
with the use of such messages, users can know where the problems are and how to deal with such
problems.
◆
Fault indicator on, indicates UPS has detected some fault. Buzzer beeps, indicate UPS need to be paid
attention to.
◆
Several fault indicators and status indicators on, are to help the user to diagnose fault.
Problem
Possible cause
Solution
The #1 fault LED and the #6
LED are turned on, the
buzzer beeps continuously
The UPS shutdown due to
internal overheat
Make sure the UPS is not overloaded; the air
vents are not blocked and the ambient
temperature is not too high. Wait for 10
minutes for the UPS to cool down before
turning on again. If failed, please contact the
distributor or service center.
The #1 fault LED and the #2
and #5 LED are turned on,
and the buzzer beeps
continuously
The UPS output is short
circuited.
Turn off the UPS. Remove all the loads.
Ensure that the load is not failed or the UPS
has no internal faults before turning it on
again. If failed, please contact the distributor or
service center.
The #1 fault LED and the #4
LED are turned on, the UPS
beeps continuously
The UPS shuts down due
to its internal fault.
Please contact the distributor or service
center.
The #1 fault LED and the #5
LED are turned on, the UPS
beeps continuously
The UPS shuts down due
to its internal fault.
Please contact the distributor or service
center.
The #1 fault LED and the #3
LED are turned on, the UPS
beeps continuously
Overcharging protection
The charger of the UPS is failed. Please
contact the distributor or service center.
The utility power LED flashes The voltage or frequency of
the utility power is out of the
input range of the UPS
The UPS is running in battery mode. To save
your data and close the application program.
Make sure the utility power is within the input
voltage or frequency range permitted by the
UPS.
The #1 fault LED and the #2
LED are turned on, the UPS
beeps continuously
The UPS is overloaded or
the load equipment is faulty
Check the loads and remove all non-critical
equipment. Recalculate the load power and
reduce the number of loads connected to the
UPS. Check that the loads are not failed.
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