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Troubleshooting
Diagnostic Tests
Diagnostic Tests
Testing the Unit by Resetting It
If you believe the HP 600 RPS/EPS or HP 610 EPS is not operating correctly,
you can reset the unit to test its circuitry and operating code. To reset a unit,
unplug and plug in the power cord (power-cycling). For HP 610 EPS units, the
backup power cables must be disconnected first.
N o t e
Use caution when power cycling the unit as this may affect devices receiving
operating power from the unit.
Power-cycling the HP 600 RPS/EPS or HP 610 EPS causes the unit to perform
its power-on self test, which normally resolves any temporary operational
problems.
Checking the Unit's LEDs
The self test passes if the Fault LED on the front of the HP 600 RPS/EPS or
HP 610 EPS goes off after approximately 5 seconds. If this LED stays on longer
than 15 seconds or begins blinking, there may be a problem with the unit.
See
"Diagnosing with the LEDs"
on
page 3-2
for information on interpreting
the LED patterns.
Testing Cabling
EPS or RPS cables that fail to provide a link or provide an unreliable link
between the unit and the connected device may be faulty. To verify your cable,
try using it to connect to a device that is known to operate correctly or try
using a different port. If the problem persists, replace it with another cable.
EPS backup power cables that fail to provide power to other HP 610 EPS units
in a backup power group may be faulty. To verify a backup power cable, try
using it to connect between HP 610 EPS units that are known to operate
correctly. If the problem persists, replace it with another cable.
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