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  • No : 7606
  • Date of Issue : 2021/12/07 10:15
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(EHF) Power unit alarm

(EHF) Power unit alarm
Servo Controller 4830
Category : 

Answer

If you cannot solve this problem by checking possible causes, contact a Shimadzu sales or service representative.
 
1. Total Alarm: The power unit has been stopped by any alarm factor.
  Cause1: The power unit has been stopped with the emergency stop switch.
  Cause2: A failure that stops the power unit has occurred.
 
2. Oil Temperature High: The hydraulic oil temperature is increased.
  Cause1: No cooling water is flowing.
  Cause2: A failure of the hydraulic oil cooler
  Cause3: Deterioration of cooling tower capacity, or a failure of the cooling tower
 
3. Oil Level Low: The oil level in the PU oil tank is decreased.
  Cause: Oil leak from the hydraulic piping

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