Table of Contents
iv
Part 1128350_02
E 2020 Nordson Corporation
About Built-in Diagnostics 6-7....................................
About Nordnet 6-8.............................................
Troubleshooting Nordnet 6-8..................................
Electrical Box - Internal Board Connections 6-9..................
Identifying Electrical Components 6-10..........................
Melter Pneumatic Flow Control 6-16.............................
Pressure Control and Pump Compatibility 6-17.................
Troubleshoot the Melter 6-20.....................................
Checking the Melt or Manifold RTD 6-20.........................
Checking the Operation of the Thermostats 6-20..................
Removing the Level Sensor, Melt RTD, or Melt Thermostat 6-21.....
Remove Melter Panels 6-21.................................
Access the Components 6-22................................
Removing the Manifold RTD 6-24...............................
Checking the Operation of the Power Relay 6-24..................
Checking the Operation of the Tank, Grid,
or Manifold TRIAC 6-25.......................................
Checking the Resistance of the Tank, Grid,
and Manifold Heaters 6-25.....................................
Troubleshoot the Fill System 6-29.................................
Fill Time Limit 6-29...........................................
Fill System Troubleshooting Table 6-30..........................
Calibrating the Level Sensor 6-31...............................
Cleaning Adhesive Bin Blockage 6-31...........................
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