Figure 39. Close view of theIBM Storage Scale System 6000 PSU status LEDs
The following table describes bi-color PSU status LEDs.
Table 26. IBM Storage Scale System 6000 PSU status LEDs
LED Green color Amber color Description
DC GOOD and FAULT
indicators
1
Solid Off Represents the DC
GOOD signal. The PSU is
operating normally.
Off or solid Blinking The PSU is being
identied.
Blinking Off The PSU is at standby
state. The blinking rate
is 1 Hz.
Solid Solid Represents the FAULT
signal. Declares a fault
in the PSU; except for a
12 V overcurrent fault.
AC GOOD indicator Solid Off Represents the AC
GOOD signal. The
emergency power-off
warning (EPOW) signal is
inactive. Indicates that
the PSU is receiving
normal input power.
Off Off The PSU is not receiving
proper input power.
Blinking Off Indicates input OC.
1
The amber LED can be set to be on, off, or to blink by using an I2C command. In a redundant
conguration, the host system can control the amber fault LED when AC is removed from the PSU.
58IBM Storage Scale System 6000: Hardware Planning and Installation Guide