Nordson AltaBlueA4TP, Customer Product Manual

Page: 111 / 276

Master pump enable key
Pump enable key
Pump mode key
Maintenance
5-3
Part 1107600_03
2014 Nordson Corporation
Relieving System Pressure
Before disconnecting any hydraulic fitting or opening any pressurized port,
always complete the following procedure to safely relieve hydraulic pressure
that may be trapped inside the melter, hoses, and guns.
To relieve system pressure
1. Press the either the Master pump enable or the Pump enable key to
stop the pump.
2. Trigger the guns until hot melt no longer flows from the guns.
Locking Out External Communications
WARNING! Disable external inputs and fieldbus communcations with the
melter before performing maintenance. Failure to disable external inputs or
fieldbus communications with the melter can result in personal injury due to
unexpected operation of the melter while performing maintenance.
To lockout external communications with the melter
1. Press the pump mode key to select the manual mode (LED on).
2. Set the control option for parameter 14 to 1 (enabled).
3. When the service activity is complete, return parameter 14 to
0(disabled).
Refer to Setting Up the Melter in Section 3, Installation , for information about
changing operating parameters.