Nordson ProBlue P4 - Page 148

Troubleshooting
6-30
Part 1024496_06
 2014 Nordson Corporation
Continued from previous page....
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Are the hose and gun RTD
functioning correctly?
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Are the indicators DS5 or DS6 on
the affected hose/gun module
illuminated?
See Figure 6-1.
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.
Replace the hose or gun RTD.
Replace the affected hose/gun
module.
P/N 1028328.
Replace fuse pairs F1/F2 or
F3/F4 on the affected hose/gun
module.
P/N 1028331.
See Figure 6-1.
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Is indicator DS2 on the main
board or DS5 and DS6 on any
hose/gun module illuminated?
Check the operation of the
power relay or thermostat.
Refer to DP.3.
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Correct the house voltage or
replace the hose/gun with a
properly rated hose/gun.
Starting Conditions:
Fault LED is illuminated >
F2 fault exists
T.2.1
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?