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LED Label LED Color Description
INPUT OK Power supply activity Green The AC power supply input voltage is greater than 85V.
None The AC input voltage is less than 70V or the power
supply is turned off.
Flashing For an AC input voltage between 70V and 85V the
INPUT OK LED can be either on, off, or flashing
FAN OK Power supply fan activity
A bi-color LED indicates
fan status.
Green When all fans are operational.
Red When a fan failure is detected.
OUTPUT FAIL Power supply activity Red LED is off to signal that the DC output voltages are
within the normal operating range. Output voltage
between the minimum and maximum limits will not
create an output fail alarm and output voltages below
the minimum or above the maximum will create an
output fail alarm.
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