alpha-industries 2000 User Manual

Alpha Technologies

Output Overload

2 beeps per

second

The UPS is overloaded. It is

operating in Bypass mode.

Shut down loads, starting with the least

important.

Battery Test

No beeps

The UPS is performing a

battery test.

None. The UPS will return to normal

operation when the test is done.

Over-Charge

Constant

beeping

The batteries are

overcharged.

Turn off the loads and the UPS. Contact

Alpha Technologies.

Low Battery

2 beeps

every 5

seconds

The UPS is operating on

battery power and the

batteries are almost

discharged.

The UPS will automatically restart when the

line becomes requalified.

On-Battery

1 beep

every 5

seconds

The UPS is operating on

battery power.

Shutdown the loads.

Charger Failure

Constant

beeping

The charger is faulty.

Contact Alpha Technologies.

Over-Temperature

Constant

beeping

The UPS is over heating.

--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.

Output Short

Constant

beeping

The output is short circuited.

Contact Alpha Technologies.

High Output Voltage

Constant

beeping

The output voltage is high.

Contact Alpha Technologies.

Low Output Voltage

Constant

beeping

The output voltage is low.

Contact Alpha Technologies.

Bus Fault

2 beeps per

second

The internal DC bus voltage

is high.

Turn off the loads and the UPS. Contact

Alpha Technologies.

Site Wiring Fault

1 beep per

second

There is voltage between the

line's neutral and ground.

Turn off the loads and the UPS. Correct the

site wiring, then restart the UPS.

Line Abnormal

1 beep per

second

When the fault LED turns on or the audibile alarm is heard, perform troubleshooting as shown in
the table below.

*To turn off the alarm, press any button on the control panel

Troubleshooting Table