Troubleshooting
5-1
Part 1612500−02
E 2018 Nordson Corporation
Section 5
Troubleshooting
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
WARNING: Before making repairs to the controller or spray gun, shut off
system power and disconnect the power cord. Shut off the compressed air
supply to the system and relieve the system pressure. Failure to observe
this warning could result in personal injury.
These troubleshooting procedures cover only the most common problems.
If you cannot solve a problem with the information given here, contact your
contact Nordson technical support at (800) 433−9319 or your local Nordson
representative for help.
Controller Faults
Problem Possible Cause Corrective Action
1. Trigger LED blinks,
gun does not spray
Gun was triggered on when the
controller was powered up or
woken up
Release the trigger. Press the
Enable/Disable button to put the
controller to sleep, then press the
button again to wake it up.
Shorted trigger switch or cable Check the gun cable and trigger
switch.
2. KV/mA display blinks,
no KV when gun is
triggered
Gun is shorted Check gun cable, cable extension,
and gun power supply.
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