Troubleshooting - Alpha Technologies 1000 Operator's Manual

3 Operation
3.5

Troubleshooting

When the fault LED turns on or the audibile alarm is heard, perform troubleshooting as shown in
the table below.
LCD Shows
2 beeps per
Output Overload
Battery Test
Over-Charge
Low Battery
On-Battery
Charger Failure
Over-Temperature
Output Short
High Output Voltage
Low Output Voltage
2 beeps per
Bus Fault
1 beep per
Site Wiring Fault
1 beep per
Line Abnormal
*To turn off the alarm, press any button on the control panel
Alpha Technologies
Audible
Description
Alarm *
The UPS is overloaded. It is
second operating in Bypass mode.
The UPS is performing a
No beeps
battery test.
Constant The batteries are
beeping overcharged.
The UPS is operating on
2 beeps
battery power and the
every 5
batteries are almost
seconds
discharged.
1 beep
The UPS is operating on
every 5
battery power.
seconds
Constant
The charger is faulty.
beeping
Constant
The UPS is over heating.
beeping
Constant
The output is short circuited.
beeping
Constant
The output voltage is high.
beeping
Constant
The output voltage is low.
beeping
The internal DC bus voltage
second is high.
There is voltage between the
second line's neutral and ground.
second
Troubleshooting Table
20
Shut down loads, starting with the least
None. The UPS will return to normal
Turn off the loads and the UPS. Contact
The UPS will automatically restart when the
--Make sure the UPS's fans and vents are
not blocked.
--Make sure the ambient air temperature is
below 40°C.
--If this does not solve the problem, contact
Alpha Technologies.
Turn off the loads and the UPS. Contact
Turn off the loads and the UPS. Correct the
site wiring, then restart the UPS.
Figure 3.3
Action
important.
operation when the test is done.
Alpha Technologies.
line becomes requalified.
Shutdown the loads.
Contact Alpha Technologies.
Contact Alpha Technologies.
Contact Alpha Technologies.
Contact Alpha Technologies.
Alpha Technologies.