User manual

FP series user manual
Allis Electric - 39 - Rev3. July 2005
5. Troubleshooting
5.1 Audible alarms and status
Audible Alarms Possible Cause Action
Three short beeps 1. Utility voltage error. 1. UPS is in Battery Mode,
check the input voltage.
Four short beeps 1. Utility frequency error. 1. UPS is in Battery Mode,
remove the input power
and check the input
frequency.
Five short beeps 1. UPS internal overheating.
2. Fan failure.
1. Check the ventilation and
remove any object
blocking air passage.
2. Call for service to replace
the fan.
Six short beeps 1. PFC over-current. 1. Input AC voltage may be
too low. Disconnect
some load to remove the
alarm.
Seven short beeps
followed by three long
beeps
1. Battery backup time running
down.
1. Save any important data
and turn off the computer.
Wait for utility power to
return.
Long continuous beep 1. Output overload.
2. Charger failure.
3. UPS fault.
1. Disconnect some load.
2. Call for service.
3. Call for service.
If the above actions do not resolve your problem, then please contact
your sales representative.