Troubleshooting - Nordson ProBlue Flex Product Manual

ProBlue Flex 400/480 Volt Transformer
F-20

Troubleshooting

Problem
1. No power to melter
2. Tank and/or manifold
not heating, but power
to melter
Part 1128350_02
The following table provides transformer-specific troubleshooting guidance.
For melter related troubleshooting information refer to one of the following
manuals:
-
Section 6, Troubleshooting in the Core ProBlue Flex Adhesive Melter
Manual (P/N 1128350)
-
ProBlue Flex Adhesive Melter Using the OLED User Interface Manual
(P/N 1128351).
-
ProBlue Flex Adhesive Melter OEM User Interface Manual
(P/N 1129255).
Possible Cause
Problem with customer power source
No voltage plug installed
Loose/disconnected cables
Blown fuse
Problem with transformer
Programming/control issue
Loose/disconnected cables
Problem in heater
Corrective Action
Check all three phases at terminal block.
Install correct voltage plug at J1 on the
transformer
PCA tray.
Check cable between transformer and J4
transformer
on the PCA tray.
Check connections between transformer
service terminal block and J2 on the
transformer PCA tray.
Check connections at J5 on the
transformer PCA tray.
Check fuses F3 and F4 on the
transformer PCA tray.
Check voltage into primary of
transformer(s) and voltage at
secondaries.
Turn heaters on/check that tank set point
is correct (not 0).
Check connection at X10 on 6 channel.
Check connection at J6 and J7 on the
transformer PCA tray.
Check connections along heater harness
(intermediate connections, terminals of
heaters, connection back to J3 on the
transformer PCA tray).
Check the resistance of the tank, grid,
and manifold heaters; refer to
Troubleshooting in the Core ProBlue Flex
Adhesive Melter Manual (P/N 1128350).
E 2020 Nordson Corporation
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