The following illustration shows the locations of the power-supply LEDs on the
AC power supply.
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs and the power-on LED on the operator
information panel and suggested actions to correct the detected problems.
AC power-supply LEDs
Description Action NotesAC DC Error (!)
On On Off Normal operation.
Off Off Off No AC power to
the file module or
a problem with the
AC power source.
1. Check the AC power to the
file module.
2. Make sure that the power
cord is connected to a
functioning power source.
3. Restart the file module. If the
error remains, check the
power-supply LEDs.
4. If the problem remains,
replace the power-supply.
This is a normal
condition when no
AC power is present.
Off Off On The power supply
has failed.
Replace the power supply.
Off On Off The power supply
has failed.
Replace the power supply.
Off On On The power supply
has failed.
Replace the power supply.
AC power
LED (green)
DC power
LED (green)
Power-supply
error LED (amber)
Figure 43. Locations of the power-supply LEDs
86 Storwize V7000 Unified: Problem Determination Guide 2073-720
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