Nordson ProBlue P4 Customer Product Manual page 153

Quick check: Manually activating the heater key or the pump key will override
and eliminate remote inputs as the cause of a down condition.
Quick check: Save settings and reset the melter to factory default settings. If the
melter functions normally, isolate the input or output problem.
Is the heater key LED
illuminated?
−
+
Cont. on
next page
Is the clock LED illuminated?
−
+
Is the clock schedule
programmed correctly?
−
+
The current clock schedule has
the heaters turned off.
Is a remote input being used to
control the heaters?
−
+
Go to
T.3.1
Replace the operator panel.
P4/P7 − P/N 1028326.
P10 − P/N 1028327.
T.3
Starting conditions:
No faults >
Ready LED is not illuminated
Does pressing the heater key turn
the heaters on?
−
+
Stop.