Troubleshooting - Bicker IUPS-401-B8 User Manual

6. Troubleshooting

Failure:
Possible cause:
Possible countermeasure: 1. Disconnect mains
Failure:
Possible cause:
Possible countermeasure: 1. Check mains voltage
Failure:
Possible cause:
Possible countermeasure: Reduce load
Failure:
Possible cause:
Possible countermeasure: 1. Charge IUPS for at least 8 hours
22
Although the computer is connected and switched on,
the IUPS shows neither function nor alarm
Wrong installation
2. Check the whole installation according
to the instruction
None of the LEDs is on
1. No mains voltage
2. UPS is switched off
3. Fuse is defect
4. No UPS function
2. Switch on UPS at the (front panel) button
3. Call service staff
Permanent sound, LED red
Overload at the UPS output
PC system crash after mains power failure
1. Battery capacity too low
2. Battery defect
2. Have battery replaced by service staff
User's Manual IUPS-401-B8