Uninterruptible Power Supplies Online UPS 3K User Manual download pdf (Page 44)

6: Troubleshooting

6-2 UPS724-01-00 PowerWave 1000 (1-3kVA) User Manual - Dated 26 June 2013

6.3 Troubleshooting a fault condition

If the UPS develops a fault during operation (red FAULT illuminated), you should check the error codes listed

below for appropriate solutions. Should the problem persist, please contact your local dealer for assistance.

6.4 Troubleshooting an operational problem.

LCD Error Code Possible Solution

Er05

Battery problem:

1. Check that the battery connections have been made correctly.

2. Measure the battery voltage to ensure it is charged and in good condition.

Recharge battery for 8 hours if necessary.

3. Simulate a utility supply outage to establish that UPS is able to provide DC back-up.

4. Contact your local dealer right away if you can find no problem with the above.

Overload:

1. Disconnect any non critical loads from the UPS output until the overload ceases.

2. Check the condition of the output cables and connectors to determine that they are

undamaged and the insulation is sound. Replace the output cables if necessary.

3. Contact your local dealer right away if you can find no problem with the above.

Er11

UPS Over temperature:

1. Remove any objects obstructing the ventilation louvers.

2. Check to ensure that the cooling fans are working properly (see also

Er14), and contact

your local dealer to replace the fans if necessary.

3. Contact your local dealer right away if you can find no problem with the above.

Site wiring/earth fault:

1. Check that the utility AC source ‘L’ & ‘N’ have been wired correctly.

2. Check that the earth/ neutral voltage has exceeded the limits specified in chapter 8.

3. Contact your local dealer right away if you can find no problem with the above.

Er14

Fan error:

1. Verify if the ventilating fans are functioning properly.

Do not attempt to replace the fans by yourself.

2. Contact your local dealer for fan replacement.

Other For all other error codes, contact your local dealer for technical assistance.

Symptom Possible Solution

UPS fails to provide battery back-up, or its back-up time

is shorter than its specified performance.

1. Charge the battery for eight hours. If the back-up time

remains unsatisfactory after 8 hours of charging, please

contact your local dealer for battery replacement.

UPS operation appears to be normal but there is no

output to load.

1. Check that all output power cords are connected

correctly.

2. If the problem is with one of the programmable outlets,

check the programmed parameters and reset them if

necessary.

3. If the problem persists, consult your local dealer for

technical assistance.

The UPS switches to battery mode then back to on-line

mode, when the connected device is turned on.

Or, the UPS switches back and forth between battery

and on-line mode.

1. Check for a faulty UPS input cable or utility supply wall

receptacle and replace/repair any faulty item found.

2. If the problem persists, consult your local dealer for

technical assistance.

Strange noise and/or odour emitted by UPS Immediately shut down the UPS System.

Disconnect the UPS input power and call for service.

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