Troubleshooting – PS Audio POWERPACK 1500 MKII User Manual

Page 27

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Troubleshooting 27

Troubleshooting

Owner’s Reference

PowerPack 1500 MKII

Abnormal Situation

Cause

Solution

UPS can not turn and
LED not lit

• Main on switch not pushed or
pushed less than 3 seconds.
•Battery voltage is too low.

• Press and hold the Main on switch for
more than 3 seconds.
• Recharge the battery for at least 4 hours.

UPS always at battery
mode

• Power cord loose.
• Input fuse blown.
• Line voltage too high or two low.
• Line frequency over range.

• Re-plug the power cord firmly.
• Remove load and replace fuse with the
same rating.
• Check input voltage.
• Check input frequency.

UPS is normal but the
computer won’t turn on.

• Computer input power cord is
loose or not connected.

• Reconnect computer input power cord.

Backup time is less than
the rating

• Battery is not fully charged or
battery is dead.
• UPS is slightly overloaded.

• Recharge the battery for 6 hours and re
test the backup time. If problem remains,
call for service.
• Remove the least critical load

Backup mode, the UPS
automatically turns off
after 2 minutes

• UPS is in green power mode
and UPS will automatically turn
off in 2 minutes.

• Connect to load.
• Disable green power mode.

AC fail, UPS automatic
turn off.

• Battery is not fully charged or
is dead.
• UPS is overloaded and shuts
down.

• Recharge the battery for 6 hours and re-
test the backup time. If problem re
mains, call for service
• Remove non-critical load and start the
UPS again and recharge the battery for
6 hours.

The UPS fault LED
flashes, LED6 is lit.

• UPS is at full load

• Remove the non-critical loads.

During AC fail, the UPS
fault LED flashes, LED 6
is lit.

• UPS is over loaded, UPS shuts
down in 20 seconds in backup
mode.

• Remove non-critical loads and start the
UPS again.

6.1 Troubleshooting