Troubleshooting Checklist; Overview; Ac Power; Dc Power - Nordson ProBlue Flex Product Manual

Troubleshooting
6-2

Troubleshooting Checklist

Overview

Part 1128350_02
Check the following information before troubleshooting the melter.
Problems with melter controls are often simple. There are several things that
can be checked quickly and may resolve a problem with low effort.
The following is a list of items that can be verified before extensive and more
time-consuming troubleshooting is needed. It is organized by functional area.
Just find the area and check the related items.

AC Power

Incoming power LED ON (Power Distribution Board DS1)
S
Check that upstream AC disconnect is ON
S
Check that TB1 is attached to Power Distribution board
S
Check that LED DS2 is ON
S
Check voltage plugs or personality plugs (X9, X10, X11)
S
Check power switch on door and connection to LVC
S
Check contactors (DS1 on Power Distribution Board and DS1 on
S
LVC)
Check cable between LVC X3 and the PDB (one of X4, X6, X7, X12)
S
Check fuses on power distribution board
S
Check harness between PDB and PDB Expansion Board (if present)
S

DC Power

Check AC input connections at PDB X2
S
Check power supply LED on power supply under the pneumatic cover
S
Check DC output connections at LVC TB1
S
Check power switch on E-Box door
S

Level

Check cable connections to LVC X18 and X20
S
Check cable connections to the level sensor
S
Check sensor calibration
S
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