L4627_b 25
11.5.1 Synchoist Cylinder Distribution Block Table of Parts
Item N.º Description Qty. Part Number
1 Manifold 1 DB5122840
2 Relief Valve 1 DB1187663
3 Over Center Valve 1 DB1199663-1
4 Over Center Valve 1 DB1199663-4
5 Check Valve 1 RK1
6 Male Coupler 1 CH604
7 Female Coupler 1 CR400
8 Test Point 1 DB2421034
9 Pressure Transducer 2 KSEEZB08CMV
12. Alarms List
Only qualified hydraulic technicians should service pump or system components. System failure may or may not be
the result of a pump malfunction. To determine the cause of the problem, the complete system must be included in
any diagnostic procedure.
Refer to the alarm chart for a list of alarms and possible causes. The alarm chart is not all-inclusive, and should
be only considered as an aid to help diagnose the most common problems. For repair service, contact Authorized
Enerpac Service Center.
ALARMS CHART
ALARM POSSIBLE CAUSE SOLUTION
Cylinder (#)
Pressure Signal
Failure.
• The pressure transducer signal of
indicated (#) cylinder is not reaching the
PLC.
• Visually check the pressure transducer and the cable.
• Reset alarm.
Maximum Total
Load.
• The total sum of cylinder loads has
exceded the value entered in the
“Maximum Total Load” parameter.
• Check the parameter, considering the load weight and
the cylinder characteristics. If it is incorrect, change it.
• Check the cylinder model in spans screen.
• If “Maximum Total Load” parameter is correct, the load
weight is bigger than the theoretical value expected in
the application.
• Reset alarm. The alarm only can be reset by entering a
parameter bigger than the Maximum Total Load.
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