Nordson ProBlue P4 Customer Product Manual page 155

Is there a signal at the input on
the mainboard or on the I/O
−
board?
+
Is the programming for the input
correct?
−
+
Wait for the input to initiate the
heaters or use the heater key to
manually turn the heaters on.
Reprogram the input.
Is there a signal at the parent
machine?
−
+
Is there power across the wires
from the parent machine to the
−
inputs on the main board or I/O
board?
+
Does pressing the heaters key
turn the heaters on?
−
+
Replace the I/O expansion
board kit.
P/N 1036607.
T.3.1
Starting conditions:
No faults >
Ready LED is not illuminated >
Remote input is being used
Verify that the parent machine
is working properly. Refer to
the appropriate manual.
Inspect the wires for damage or
corrosion and replace if
needed.
Replace the main board.
P4/P7 − P/N 1028322.
P10 − P/N 1028323.