Crafco EZ 500 Series II, Руководство пользователя

Страница: 66 / 136

EZ 500 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-14
Step Possible Cause If . . .
3a Is there 12Vdc between the D.S. lid switch
red wires and a nearby ground source?
(Check both red wires on the bottom of the lid
switch with the lid closed.)
•
Yes, on both red wires check for loose
connections or broken wires between D.S.
lid switch and P.S. lid switch.
•
Yes, on only one red wire when the lid is
closed. Readjust the lid switch so that the
lid completely depresses the switch, and
then recheck for 12Vdc. If the same result
happens, replace the lid switch.
•
No, go to step 4.
4 Check for 12Vdc at red wire labeled Red Lid
D.S. and pink wire labeled Pink-2 on terminal
block and a nearby ground source (black
wire).
•
Yes on both, check for loose connections or
broken wires between D.S. lid switch and
terminal block.
•
No on Red Lid D.S. and Yes on Pink-2,
ensure yellow jumper bar is securely
installed between the two terminal blocks.
•
No, go to step 4a.
4a Is there 12Vdc between the Material
PAKSTAT terminal #2 pink wire and terminal
#8 black ground wire?
(Refer to Fig. 8.5 Mixer Circuit .)
•
Yes, check for loose connections or broken
wires between PAKSTAT terminal #2 and
terminal block.
•
No, go to Step 4b.
4b Is there 12Vdc between the Material
PAKSTAT terminal #1 orange wire and
terminal #8 black ground wire?
•
Yes, replace the Material PAKSTAT.
•
No, go to Step 4c.
4c Is there 12Vdc between orange wire labeled
ORN-1, terminal #9 and terminal #8 ground
source (black wire)?
•
Yes, check for loose connections or broken
wires between terminals #8 and #1.
•
No, go to step 5.
5 Is there 12Vdc at orange wire labeled ORN-1
and ORN-2 on the upper terminal block?
•
Yes on both, check for loose connections or
broken wires between terminal block and
material PAKSTAT.
•
Yes on ORN-2 and No on ORN-1 replace
terminal block.
•
No on both, go to step 6.
6 Is there 12Vdc between orange wire labeled
ORN-2 terminal #3 and terminal #5 black
ground of hot oil PAKSTAT?
•
Yes, check for loose connections or broken
wires between terminal #3 and terminal
block.
•
No, go to step 7.
Table 8-16 Mixer Electrical Troubleshooting (continued)