Alarm E7 (Controller forced stop warning) occurs when an forced stop is executed by the Positioning module or the Simple Motion module.
The following shows how to cancel the alarm.
(1) When not using the forced stop input signal
    Set "[Pr.82] Forced stop valid/invalid selection" to "Invalid."
(2) When using the forced stop signal
    Supply 24 VDC power for the forced stop input signal.