Bicker IUPS-401-B8 - Troubleshooting

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User’s Manual IUPS-401-B8
6. Troubleshooting
Failure: Although the computer is connected and switched on,
the IUPS shows neither function nor alarm
Possible cause:
Wrong installation
Possible countermeasure: 1. Disconnect mains
2. Check the whole installation according
to the instruction
Failure: None of the LEDs is on
Possible cause:
1. No mains voltage
2. UPS is switched off
3. Fuse is defect
4. No UPS function
Possible countermeasure: 1. Check mains voltage
2. Switch on UPS at the (front panel) button
3. Call service staff
Failure: Permanent sound, LED red
Possible cause:
Overload at the UPS output
Possible countermeasure: Reduce load
Failure: PC system crash after mains power failure
Possible cause:
1. Battery capacity too low
2. Battery defect
Possible countermeasure: 1. Charge IUPS for at least 8 hours
2. Have battery replaced by service staff