Troubleshooting
6-4
Part 1032059B
E 2003 Nordson Corporation
Manual 41-DURABLUE-MA-02
Pump Operating Variables
When diagnosing apparent melter malfunctions, it is helpful to understand
the following variables that control the status of the pump—enabled,
disabled, running—and the associated indication that is provided by the
pump LED.
S Use/activation of a remote input to control the motor
S Use of parameter 8, Automatic Pump On
S Ready status of the melter
S Activation of a switched input (handgun or footswitch)
S Activation of the pump key
Table 6-2 provides the status of the pump LED for each combination of the
pump operating variables.
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