3. SIGNALS AND WIRING 
 
3 -  56 
 
3.8 Alarm occurrence timing chart 
 
CAUTION 
When an alarm has occurred, remove its cause, make sure that the operation 
signal is not being input, ensure safety, and reset the alarm before restarting 
operation. 
 
 
POINT 
 
In the torque control mode, the forced stop deceleration function is not available.
 
 
To deactivate an alarm, cycle the control circuit power, push the "SET" button in the current alarm window, 
or cycle the RES (Reset) However, the alarm cannot be deactivated unless its cause is removed. 
 
3.8.1 When you use the forced stop deceleration function 
 
POINT 
 
To enable the function, set "2 _ _ _ (initial value)" in [Pr. PA04]. 
 
 
(1)  When the forced stop deceleration function is enabled 
Controller command is ignored.
Alarm occurrence
Alarm No.No alarm
(Note)
Model speed command 0
and equal to or less than
zero speed
MBR
(Electromagnetic
brake interlock)
ON
OFF
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
ON
OFF
Servo amplifier
display
0 r/min
Servo motor speed
ALM (Malfunction)
 
Note. The model speed command is a speed command generated in the servo amplifier for forced stop deceleration 
of the servo motor.