Troubleshooting
A 6-1
Part 331235C
E 2003 Nordson Corporation
Part A: System Overview
Section A 6
Troubleshooting
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
Identifying Errors
This section explains procedures for using the central control unit and gun
driver cards to identify errors in the modular gun control system. Refer to
the manuals included with your other powder application equipment to
troubleshoot the other components of your powder coating system.
WARNING: Do not touch the gun if the kV icon is flashing. A flashing kV
icon while the gun is not triggered is a warning to the operator that voltage
may be present at the gun because of faulty hardware. Failure to observe
this warning may result in an electrical shock.
Icon Icon Status Gun Status Problem
Flashing Triggered Electrostatics
Flashing Not triggered
kV is on when it
should be off
Flashing Triggered Solenoid
On continuously Triggered
Press the
Nordson key to
view error code
The modular gun control system indicates faults using error codes and
LEDs. Faults with an individual gun are identified by error codes displayed
on the central control unit digital display. Faults are also identified by LED
illumination on the gun driver cards in the main control cabinet. Refer to
Error Codes and Gun Driver Cards in this section for explanations of the
system fault indications.
NOTE: Error codes can only be viewed in the diagnostic mode.
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