Pump mode key
Pump speed arrow keys and
display
Troubleshooting
6-17
Part 1107600_03
2014 Nordson Corporation
Pump Operational Status
NOTE: To use the pump operating variables tables, ensure that the melter is
in the manual mode (LED on) and that the pump speed is at a setting other
than 0.
When diagnosing apparent melter malfunctions, it is helpful to understand
the following variables that control the status of the pump—enabled or
disabled—and the associated indication that is provided by the pump LED.
Use/activation of a remote input to control the motor
Use of parameter 8, Automatic Pump On
Ready status of the melter
Activation of a switched input (handgun or footswitch)
Activation of the pump key
Tables 6‐13 and 6‐14 provide the status of the pump LED for each
combination of the pump operating variables.
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