Troubleshooting
6-20
E
1996 Nordson Corporation
All rights reserved
107 041A
Issued 1/96
Manual 12-28
Problem
Possible Cause
Corrective Action
6. Oven over temperature
(contd.)
Bad wires 2070 and 2080 or relay
CR237
See Figure 6-2. Turn off oven. Remove
dust cover from SSR card J7. Check
for an open between SSR card J7 and
relay CR237.
Wire 2070
Relay CR237
J7 – pin 9
—
pin 7
Wire 2080
Relay CR237
J7 – pin 10
—
pin 11
If an open is found, replace wire as
necessary.
Turn on oven. Press reset button.
Verify that +18 VDC is present between
these pins
CR237 pins
15 (gnd)
to
pin 9
15 (gnd)
to
pin 10
If voltage is present, replace relay
CR237.
7. Exhaust Failure
Incorrect exhaust level
Verify that the oven exhaust system is
operating at correct level. Adjust as
necessary.
Bad I/O card, wiring or static pressure
switch
See Figure 6-2. Make sure I/O card
LED I3 is on. If LED I3 is off, replace
I/O card. If LED I3 is on, check for an
open in wires 2240 and 2230. Repair as
necessary.
Check for an open exhaust pressure
switch. If an open is found, replace the
pressure switch.
Input/ Output 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 ...