Troubleshooting
6-19
Part 1073401_07
E 2021 Nordson Corporation
Fault LED is illuminated
T.2
?
+
−
Is the tank key LED
illuminated?
Confirm that the RTD has
failed.
+
−
Go to
T.2.1
+
−
Are all of the
applicator‐to‐hose and
hose‐to‐melter electrical
cordsets securely
connected?
Does the fault reoccur if
you move the faulting
hose/applicator pair to a
known good
hose/applicator connector?
Replace the hose or
replace the applicator
RTD.
Refer to the hose or
applicator manual.
Go to
T.2.2
Secure the electrical
connectors and then press
the reset key.
Contact Nordson for
technical assistance.
Record the fault codes
indicated in both the left
and right displays and then
contact Nordson for
technical assistance.
+
−
Is an F1 (RTD) fault
indicated in the right
display?
+
−
Is an F2
(undertemperature) fault
indicated in the right
display?
+
−
Is an F3 (overtemperature)
fault indicated in the right
display?
+
Is an F4 fault indicated in
the right display?
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