307
ALARMS
June 1999
96-8000
10. ALARMS
Any time an alarm is present, the lower right hand corner of the screen will have a blinking "ALARM". Push
the ALARM display key to view the current alarm. All alarms are displayed with a reference number and a
complete description. If the RESET key is pressed, one alarm will be removed from the list of alarms. If
there are more than 18 alarms, only the last 18 are displayed and the RESET must be used to see the
rest. The presence of any alarm will prevent the operator from starting a program.
The ALARMS DISPLAY can be selected at any time by pressing the ALARM MESGS button. When there
are no alarms, the display will show NO ALARM. If there are any alarms, they will be listed with the most
recent alarm at the bottom of the list. The CURSOR and PAGE UP and PAGE DOWN buttons can be used
to move through a large number of alarms. The CURSOR right and left buttons can be used to turn on and
off the ALARM history display.
Note that tool changer alarms can be easily corrected by first correcting any mechanical problem, pressing
RESET until the alarms are clear, selecting ZERO RET mode, and selecting AUTO ALL AXES. Some
messages are displayed while editing to tell the operator what is wrong but these are not alarms. See the
editing topic for those errors.
The following alarm list shows the alarm numbers, the text displayed along with the alarm, and a detailed
description of the alarm, what can cause it, when it can happen, and how to correct it.
Alarm number and text: Possible causes:
101 Comm. Failure with MOCON During a self-test of communications between the MOCON and
main processor, the main processor does not respond, one of
them is possibly bad. Check cable connections and boards.
102 Servos Off Indicates that the servo motors are off, the tool changer is
disabled, the coolant pump is off, and the spindle motor is
stopped. Caused by EMERGENCY STOP, motor faults, tool
changer problems, or power fail.
103 X Servo Error Too Large Too much load or speed on X-axis motor. The difference between
the motor position and the commanded position has exceeded a
parameter. The motor may also be stalled, disconnected, or the
driver failed. The servos will be turned off and a RESET must be
done to restart. This alarm can be caused by problems with the
driver, motor, or the slide being run into the mechanical stops.
104 Y Servo Error Too Large Same as alarm 103.
105 Z Servo Error Too Large Same as alarm 103.
106 A Servo Error Too Large Same as alarm 103.
107 Emergency Off EMERGENCY STOP button was pressed. Servos are also turned
off. After the E-STOP is released, the RESET button must be
pressed at least twice to correct this; once to clear the E-STOP
alarm and once to clear the Servo Off alarm.
This alarm will also be generated if there is a low pressure
condition in the hydraulic counterbalance system. In this case,
the alarm will not reset until the condition has been corrected.
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