Nordson ProBlue P4 Customer Product Manual page 154

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Is the standby LED on?
−
+
The melter is in the standby
mode.
Refer to Section 4, Standby
Key.
Is the ready delay counting
down?
−
+
Wait for the ready delay to
count down.
Refer to Appendix B, parameter
4.
T.3
Starting conditions:
No faults >
Ready LED is not illuminated
Confirm that the tank heater
has failed and replace the tank.
Tank − P/N 1018379.
Refer to DP.5.