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10-7
Part 1602966−05
E 2015 Nordson Corporation
Electrical Troubleshooting Procedures
Use the following chart to correct faults conditions indicated by the LEDs.
Problem Possible Cause Corrective Action
1. Under voltage (output
voltage too low)
Supply voltage too low Increase the supply voltage.
Sieve screen center hub bonding
damaged
Replace the sieve screen.
Damaged generator Contact the Vibrasonic system
manufacturer.
2. Over voltage (output
of generator too high)
Poor contact surfaces between
transducer and sieve screen
Remove the transducer from the
screen and clean the mating surfaces
with acetone. Assemble the
transducer to the screen using the
Vibrasonic Transducer and Sieve
Screen Installation procedure.
Loose transducer Tighten the transducer using the
supplied torque wrench. Refer to the
Vibrasonic Transducer and Sieve
Screen Installation procedure.
Damaged sieve screen mating
surface
Replace the sieve screen.
Damaged transducer mating
surface
Replace the transducer.
3. Open circuit (open
circuit in output from
controller)
Disconnected transducer cable Check the transducer cable
connections.
Damaged control cable or
connector
Replace the control cable.
Loose or damaged wiring in the
controller
Check the controller wiring. Tighten
any loose connections.
Damaged transducer Replace the transducer.
4. Short circuit (short
circuit in output from
controller)
Short circuit in control cable Replace the control cable.
Short circuit in either control or
transducer cable connectors
Thoroughly clean the connectors.
Short circuit in transducer Replace the transducer.
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