Figure 90. Non-redundant cabled AC PSU status indicator and self-diagnostic button
1
Self-diagnostic button
2
AC PSU status indicator
Table 35. Non-redundant AC PSU status indicator
Power Indicator Pattern
Condition
Not lit
Power is not connected or PSU is faulty.
Green
A valid power source is connected to the PSU and the PSU is operational.
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator. The indicator shows whether power is
present or if a power fault has occurred.
Figure 91. AC PSU status indicator
1
AC PSU status indicator/handle
Table 36. AC PSU status indicator codes
Power indicator codes
Condition
Green
A valid power source is connected to the PSU and the PSU is operational.
Blinking amber
Indicates a problem with the PSU.
Not illuminated
Power is not connected to the PSU.
Blinking green
When the firmware of the PSU is being updated, the PSU handle blinks green.
128
System diagnostics and indicator codes