1. Power supply DC status LED
2. Power supply AC status LED
3. Fan status LED
Figure 36: LEDs on nonport side of the HPE StoreFabric SN4000B SAN Extension Switch
Table 8: LED patterns on the nonport side of the HPE StoreFabric SN6500B 16Gb
FC Switch and the HPE StoreFabric SN4000B SAN Extension Switch
LED name
LED color
Status of hardware
Recommended action
Power
supply/AC
input status
(one green
LED)
No light
Power supply is not receiving
AC input voltage or AC input
voltage is below the operational
limit.
Verify that the power supply is
seated correctly, and the power cord
is connected to a functioning AC
power source.
Steady green
AC input voltage is within the
operational range.
No action is required.
Power
supply/DC
output status
(one bicolor
LED)
Flashing
amber (1:1)
Output voltage is not enabled.
Verify that the power supply is
seated correctly and the captive
screw is secured.
Flashing
amber/green
(2:1)
The temperature has exceeded
the threshold.
Verify that the ambient temperature
is less than 40°C. Check for airflow-
intake blockage.
Flashing
amber/green
(1:1)
Internal fan is faulty.
Replace the power supply.
Steady amber
Power supply is faulty or is not
plugged in completely.
Check the power cord, current,
voltage, and temperature to
determine the problem.
Table Continued
56
Operating HPE 16Gb FC switches