Ametek Chandler Engineering 4207D, Руководство по эксплуатации

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SECTION 4 - TROUBLESHOOTING GUIDE 4-1
Section 4 - Troubleshooting Guide
Symptom Reason Action
Press does not operate. Load frame door is open. Close the load frame door.
Over-temperature circuit has
disabled the system. Reset the over-temperature
circuit by pressing the red
button on the side panel.
Controller is not programmed
correctly. Verify the program in the
controller.
Controller is not running. Press the RUN button to start
the program.
Cable to the press is
disconnected. Connect the cable.
Cylinder control switch is in off
position. Set the cylinder control switch
to the
UP position.
Door or top platen limit switch
is defective or requires
adjustment. Adjust door limit switch to close
when the door is closed. Adjust
the top platen control switch to
close before brass platen
touches the steel platen.
Time delay relay is defective or
not configured correctly. Verify the time delay relay is set
to operate with approx. 20 sec
delay.
Servo valve and/or related
electronics are defective. Contact Chandler Engineering
service department.
Press will not reach programmed
load. Incorrect controller program. Verify the program in the
controller.
Oil temperature is too hot. Allow the oil to cool and repeat
the test.
System pressure is set too low. Allow the oil to cool and verify
that the system pressure is set at
2,600 psig.
Over-temperature circuit is
improperly adjusted. Set the over-temperature circuit
to operate at 70
°
C.
Displayed load values are
incorrect or display’s different
values. Controller or display calibration
is incorrect. Reconfigure the display or
controller with the system
calibration factors.
Recalibrate the display and
controller.
Press the
Tare button on the
display.