Troubleshooting
6-1
Part 1024496_06
2014 Nordson Corporation
Section 6
Troubleshooting
WARNING! Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
This section provides quick‐reference information for diagnosing melter faults
indications as well as comprehensive melter diagnostic information that is
provided in flowchart format. When required, the troubleshooting flowchart
will refer you to diagnostic procedures provided later in this section.
If you cannot resolve the problem using the troubleshooting flowchart,
contact your Nordson representative for technical assistance.
400/480 Volt Melters
Refer to Appendix E for information about troubleshooting the transformer,
400/480 volt heater information, and information about parts that are specific
to 400/480 volt melters.
NOTE: With the exception of power supply and heater failure problems, the
information provided in this section applies to all ProBlue adhesive melters.
Safety
Never disconnect cables from, or reconnect cables to, the main board
while the melter is energized.
Before breaking any hydraulic connection, always relieve system
pressure. Refer to Section 5, Relieving System Pressure.
Refer to the safety information provided with optional equipment.
If the melter is removed from its sub‐base for diagnostic checks or
service, ensure that the ground lead between the chassis and the
sub‐base is re‐attached when the melter is reconnected to the sub‐base.
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