Troubleshooting
6-8
E
1996 Nordson Corporation
All rights reserved
107 041A
Issued 1/96
Manual 12-28
Problem
Possible Cause
Corrective Action
2. Conveyor moves at full
speed regardless of the
setpoint
Open cable 2455
NOTE: The
OPERATOR SCREEN and
SET-UP SCREEN menus display 000 in
actual column regardless of set point
value.
See Figure 6-2. Turn oven off and use
an ohmmeter to check cable 2455 for
an open:
230PL–1 pin A7 to 241PL–1 pin 8
230PL–1 pin A8 to 241PL–1 pin 6
230PL–1 pin A9 to 241PL–1 pin 9
If an open is found, repair cable
Bad dual-motor controller card or
conveyor speed motor assembly
Turn on oven. Verify that +18 VDC
exists between A9 (gnd) and A8 (pos)
on the dual-motor controller card. If
voltage is not present, replace
dual-motor controller card.
If voltage is present, manually turn input
shaft of conveyor speed motor. Use a
voltmeter to verify that a toggling voltage
of 0 VDC to +5 VDC is present between
A9 (gnd) and A7 (pos) on the dual motor
controller card.
NOTE: To use an oscilloscope to verify
this toggling voltage, place the scope
ground at pin A9 and the probe at
pin A7. Access the
Raise Cover menu
and set conveyor speed to 50.8 cm/min.
Frequency of square wave will increase
until the motor speed stabilizes.
If voltage level toggles, replace dual
motor controller card. If voltage level
remain steady, replace conveyor speed
motor assembly.
Conveyor Speed Control
Problems
(contd)
Summary of Contents for 107 041A
Page 1: ...Select Cure 100 Inch IR Oven Part 107 041A NORDSON CORPORATION D AMHERST OHIO D USA ...
Page 9: ...E 1995 Nordson Corporation All rights reserved Issued 11 95 12 28s1 Section 1 Safety ...
Page 10: ...Safety 1 0 E 1995 Nordson Corporation All rights reserved Issued 11 95 12 28s1 ...
Page 148: ...Parts 7 0 E 1996 Nordson Corporation All rights reserved 107 041A Issued 1 96 Manual 12 28 ...