• No : 7612
  • Date of Issue : 2021/12/07 10:15
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(EHF) External alarm cannot be canceled

(EHF) External alarm cannot be canceled
Servo Controller 4830
Category : 

Answer

If you cannot solve this problem by checking possible causes and taking appropriate actions described below, contact a Shimadzu sales or service representative.
 
Cause1: The external alarm is working.
Action1: Reset the external device to cancel the alarm output.
 
Cause2: The polarity of the external input is different.
Action2: If the alarm cannot be cleared even after resetting the external device, restart the controller while holding down the [CLEAR] and [CANCEL] keys of the controller. Initialize the external input settings (set to normal open). 
*The digital input settings are also initialized (OFF setting) at the same time.
 
Cause3: Alarm input is set for digital input.
Action3: Reset the external device or change the digital input settings.
  If the alarm cannot be cleared even after resetting the external device, restart the controller while holding down the [CLEAR] and [CANCEL] keys of the controller. Initialize the digital input settings (set to OFF). 
*The external input settings are also initialized (normal open) at the same time.