Troubleshooting
6-45
Part 1120277_01
E 2012 Nordson Corporation
No faults >
Ready LED is illuminated >
Nohotmeltoutputfromallguns>
Motor is not turning
T.4.4
Refer to Table 6-3 to
diagnose and correct the
fault.
+
--
Is the motor drive power
LED flashing?
+
--
Is DS7 on the main board
turned on?
Check and replace fuses
F11 and F12 on the main
board.
+
--
Is DS11 on the main board
turned on?
+
--
Is 240 VAC present at X7
on the relay board?
+
--
Is 24 VDC measured
between X6-3 and X6-5 on
the motor/piston control
board?
Replace the 34-position
ribbon cable or the main
board.
Repair the wiring between
X3 on the main board and
X7 on the relay board.
Repair the wiring between X4
on the relay board and X6 on
the motor/piston control
board, replace fuse F3 on the
relay board, or replace the
relay board.
Go to
T.4.5
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