IBM 3590 - Manual (Page 86)

Cell Status: Steady Yellow–Alert Conditions
This condition does not immediately preclude machine operation, but may,
unless the condition is cleared soon. Table 27 describes the Alert condition:
Table 27. Cell Status Indicator LEDs Steady Yellow–Alert Conditions
Indicator LED State Description of the Condition
All 10 magazine
LEDs are steady
yellow
Accumulate, Automatic, Manual, or System modes
only–Magazine Not Installed or is locked. LEDs return to
normal when condition is cleared.
Automatic, or System modes only–Magazine Processed - no
cartridges are in the import position in the magazine or the
priority cell. LEDs return to normal when condition is cleared.
Accumulate mode only–Magazine Full - Warns the operator to
remove the full magazine and replace it with one that is not
full. LEDs return to normal when Start is selected.
Priority cell LED is
steady yellow Priority Cell Demount - Instructs the operator to remove the
cartridge in the priority cell.
Cell Status: Steady Green–In-Use Indicator LED
The indicated cells are in use by the ACF or the program. Table 28 describes
the in-use condition:
Table 28. Cell Status Indicator LEDs Steady Green–In-Use Indicator
Indicator LED State Description of the Condition
One magazine LED
or priority cell LED
is steady green Automatic, System and Manual modes only–Indicates that the
designated cell is reserved for a cartridge that is presently in
the drive.
Multiple magazine
LEDs are steady
green Random or Accumulate modes only–Indicates that the
designated cells are reserved. Do not put a cartridge in a cell
that shows a green LED.
66 3590 Operator Guide