Nordson ProBlue P4 Customer Product Manual page 148

Continued from previous page....
Is there 240 VAC across fuses
F1/F2 or F3/F4 on the affected
−
hose/gun module, and is the
hose/gun wattage properly
rated?
+
Are the indicators DS5 or DS6 on
the affected hose/gun module
−
illuminated?
See Figure 6-1.
+
Are the hose and gun RTD
functioning correctly?
−
+
Does the fault re-occur if you
replace the affected hose/gun
−
module with a known good
module?
+
Replace the main board.
P4/P7 − P/N 1028322.
P10 − P/N 1028323.
Correct the house voltage or
replace the hose/gun with a
properly rated hose/gun.
Replace the hose or gun RTD.
Replace the affected hose/gun
module.
P/N 1028328.
Is indicator DS2 on the main
board or DS5 and DS6 on any
−
hose/gun module illuminated?
+
Replace fuse pairs F1/F2 or
F3/F4 on the affected hose/gun
module.
P/N 1028331.
See Figure 6-1.
T.2.1
Starting Conditions:
Fault LED is illuminated >
F2 fault exists
Check the operation of the
power relay or thermostat.
Refer to DP.3.