
Troubleshooting
6-23
E
1996 Nordson Corporation
All rights reserved
107 041A
Issued 1/96
Manual 12-28
Problem
Possible Cause
Corrective Action
3. Zone(s) will not turn on
Main contactor CON 212 not
energized; zone circuit breaker
tripped.
Perform problem 4 in the
Power Supply
Problems.
Turn off oven. Use an ohmmeter to
check for shorts tripped zone. If a short
is found, repair or replace defective
component.
SCR card is not turning on SCR
power cube; bad SCR cube or IR
lamps
Turn on oven and access the
SET-UP
SCREEN menu. Set all zone
temperatures equaled to 0
_
C.
See Figure 6-5. On bad zone’s SCR
power cube, measure DC voltage
across SCR feedback card mounting
screws. If 0 VDC is present, replace
SCR power cube. If a 10 VDC voltage is
present, measure voltage across zone
(approximate VAC):
Zone
Oven Service
voltage
line voltage
55 VAC
208 VAC oven
103 VAC
380 VAC oven
113 VAC
420 VAC oven
130 VAC
480 VAC oven
If voltage is present, perform
Lamp
Verification in Maintenance section.
Examine zone’s IR lamps. Replace
lamps as necessary. If no voltage is
found, replace SCR power cube.
Zone 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 ...