7.5 Trouble shooting

Displayed on LCD

Audible Alarm

Output Overload

Two Beeps per

second

 

Battery Test

No Beeps

 

 

Over-Charge

Constant beep

 

 

Low Battery

2 beeps every

5seconds

 

 

 

On-Battery

Once every 5

seconds

 

Charger Failure

Constant beep

Over-Temperature

Constant beep

 

 

Output Short

Constant beep

High output Voltage

Constant beep

Low Output Voltage

Constant beep

Bus Fault

2 Beeps per

second

 

 

 

Site wiring Fault

1 Beep per

second

 

 

 

Line abnormal

1 Beep per

second

 

Alarm Description

The UPS is overloaded (in Line Mode). Your equipment needs more power than the UPS can provide. The UPS operates in bypass.

The UPS is doing a battery test.

Batteries are overcharged.

The unit is operating on Battery Power and will shut down soon due to very low battery voltage

The unit is operating on Battery Power. Charger has failed.

High ambient Temperature.

Output short circuit

High output voltage

Low output voltage

High internal DC bus Voltage.

Voltage detected Between Neutral and Ground

Wrong AC Line backed up during auto restart

What You Should Do

Shut off the least important equipment connected to the UPS. If this solves the overload problem, the UPS will switch from bypass back to normal operation.

No action needed. The UPS will return to normal operation when it successfully completes the battery test.

Turn off protected loads. Turn off UPS and call your local dealer

The unit will restart Automatically when acceptable power returns.

Save your data and perform a controlled shutdown.

Phone the local dealer

Make sure the unit’s fans and vent holes are not blocked, and make sure the ambient surrounding temperature is not above 40 degree C. If these conditions did not solve the problem, call your service representative.

Call the Local dealer

Call the Local dealer

Call the Local dealer

Turn off protected loads. Turn off UPS and call your local dealer

UPS mains connector polarity Wrong. Rotate the connector (Schuko). UPS installed to mains supply without ground. See page 15 on how to disable the Site wiring alarm

8. Maintenance

With a minimal amount of maintenance, you can expect the UPS to application, otherwise consider changing the batteries. have a long life free of trouble. The most critical issues for the reliability of the UPS are environmental issues. Ensure that the temperature and humidity are always according to specifications and keep the area around the unit clean and dust free.

At a temperature of 25°C, the typical battery lifetime is 4 years.

Also check at regular intervals of 6 to 12 months whether the back-up time of the battery is adequate for its

WARNING!

Batteries may cause electrical shock or burn from high short circuit currents. Please observe the following precautions: 1. Remove jewelry and metal objects such as watches and rings. 2. Use tools that have insulated handles. 3. Keep tools and other metal objects from contacting and away from the batteries.

ELECTRIC ENERGY HAZARD. Do not attempt to rewire, alter, or change any battery wiring or connectors. Attempting to make such alterations can cause injury.

Replace the batteries with the same number and type as originally installed batteries.

DO NOT DISCONNECT the batteries while UPS is in Battery mode.

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EMC 4K VA 20K VA UPS installation manual Maintenance, Trouble shooting