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HP Uninterruptible Power System T2200 XR Models User Guide 5-1
5
Troubleshooting
This chapter serves as a troubleshooting guide when problems occur with the UPS. Solutions
for UPS problems that occur both during and after startup are covered.
Troubleshooting During Startup
If problems occur when starting the UPS, refer to Table 5-1 for possible causes and suggested
actions.
Table 5-1: Troubleshooting During Startup
Symptom Possible Cause Suggested Action
The UPS does not start. There is no utility power. Check power at the utility power
receptacle or contact a qualified
electrician.
The UPS power cord is
disconnected.
Connect the power cord.
The Site Wiring Fault
LED (
) is red.
The utility power receptacle is
ungrounded or there is no
ground wire in the UPS power
cord.
Contact a qualified electrician to
correct the condition.
The Bad Battery/
Low Battery LED (
) is
flashing red.
The battery voltage is low
because the UPS has been
out-of-service for a long period.
Allow the UPS to charge the
batteries for 24 hours. Initiate a
self-test. If the Bad Battery/Low
Battery LED does not turn off,
replace the batteries.
The battery test failed. Allow the UPS to charge the
batteries for 24 hours. Initiate a
self-test. If the Bad Battery/Low
Battery LED does not turn off,
replace the batteries.
The battery is disconnected. Install the battery pack. If the
battery pack is installed, remove
the pack and then insert it again.