
Chapter 5 Troubleshooting
Interpreting System LED Status
Quantum PX500 Series User’s Guide 187
Power Supply LED Status 5
The power supplies have an LED indicator reporting the power supply
state (see
table 38).
Table 38 Power Supply LEDs
LED Status Problem/Status
AC OK solid green Power has been applied to the power supply and
is within specifications.
AC OK off The power supply is not attached to a power
source or the power source has failed.
DC OK solid green The power supply is providing DC power to the
library normally.
DC OK off The power supply has failed.
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