Troubleshooting
If you have a question or problem, the troubleshooting table may help. (See Table 3.) If you need
assistance, please follow the Customer Process for Service in IBM Service Support. Please have
the model number and serial number (located on the rear of the UPS) available.
If the UPS must be returned, contact IBM Service Support for instructions before returning the
UPS for any reason.
Table 3: Troubleshooting
Problem
Yellow
BATTERY
green
LED off,
LINE
one beep every 10seconds.
Yellow
BATTERY
green
LED off,
LINE
two beeps every 10 seconds.
Green
LED on,
LINE
Yellow
WARNING
three beeps every five minutes.
Yellow
OVERLOAD
one beep every second.
Yellow
WARNING
Continuous beep.
LED on,
1. Utility power outage.
2. Loose plug.
3. Tripped circuit breaker.
4. Power cord failure.
LED on,
Very low battery voltage.
Unit has failed the battery
LED on,
test
LED on,
The power required by the
equipment is too high.
LED on.
1. Output short circuit.
2. UPS Fault
Possible Reasons
11
What To Do
1. Wait for power to return.
2. Make sure the power cord is
connected.
3. Reset the circuit breaker.
4. Phone IBM Service Support.
Plug the unit into a working wall outlet
for at least 8 hours to allow the batteries
to charge. After recharge, if the Fortress
will not operate on batteries, or Fortress
beeps twice every 10 seconds on
batteries, phone IBM Service Support.
Turn the unit off and then on to reset
the "Replace Battery" alarm and LEDs.
Replace the battery. See "Replacing the
Batteries" on page 14.
1. Remove load equipment.
2. Reduce load level until the beeping
stops.
1. Remove load and reset UPS.
2. Phone IBM Service Support.
ENGLISH