7. ALARM AND SELF–DIAGNOSIS
ALARM AND SELF-DIAGNOSIS FUNCTIONS
When an alarm occurs, the corresponding alarm screen appears to indicate
the cause of the alarm. The causes of alarms are classified by error codes.
Up to 25 previous alarms can be stored and displayed on the screen (alarm
The system may sometimes seem to be at a halt, although no alarm is
displayed. In this case, the system may be performing some processing.
The state of the system can be checked using the self–diagnostic function.