B–63835EN/03
2. HARDWARE
163
LEDB Red HSSB communication has been interrupted.
LEDA Red A RAM parity alarm occurred in the common RAM on the
board.
The common RAM is mounted on this board. The RAM
is used to exchange information between the CNC and
personal computer and is not battery–backed.
Status display of the green LEDs j: Off J: On
4 3 2 1 Status
JJJJ Immediately after power–up
JJJj HSSB board initialization in progress
JJjJ Waiting for the booting of the PC side
JJjj CNC screen displayed on the PC
Jjjj Activation normally terminated, normal operation in progress
jJJj Thermal error detected by the CNC display unit with PC
functions or PANEL i
jJjJ HSSB communication interrupted
jJjj Parity alarm in the common RAM
jjJJ Communication error
jjJj Battery alarm in the CNC display unit with PC functions or
PANEL i
NOTE
The PC used in the above table includes PANEL i and CNC
display unit with PC functions.
D LED display