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6-2 Compaq 2000 Series UPS Operation and Reference Guide
Troubleshooting During Start
If problems occur when starting the Compaq 2000 Series UPS models, select
the appropriate symptom for possible causes and actions suggested.
Table 6-1
Troubleshooting Guide (UPS Start)
Symptom Possible Cause Suggested Action
UPS will not
start
No utility power Check power at the utility power
receptacle or contact a qualified
electrician.
UPS power cord disconnected Connect the power cord.
UPS input circuit breaker open Press the circuit breaker button
to reset. If the breaker trips
repeatedly, contact an
authorized service provider.
LED 5 is red
(Site Wiring
Fault)
Utility power receptacle
ungrounded, or no ground wire in
UPS power cord
Contact a qualified electrician to
correct the condition.
Line and neutral wires reversed in
utility power receptacle or in UPS
power cord
For units factory configured for
208V, the Site Wiring Fault
function has been disabled. If
reconfiguring a 230V unit to
operate at 208V, the Site Wiring
Fault function must be manually
disabled.
(high models only)
LED 10 is red
(Battery
Service)
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 LED 10 does not turn
off, replace the batteries.
The UPS was powered on with the
Sleep mode disabled, draining the
batteries