Crafco EZ 500 Series II, Руководство пользователя

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EZ 500 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-13
Note : Use Fig. 8.5 Mixer Circuit while troubleshooting the mixer electrical system.
Step Possible Cause If . . .
1 Is the amber light "ON" on the Din Plug when
the "Mixer" toggle switch is in the "Forward"
position? (For forward din plug location.
Refer to
Fig. 8.7 Din Plug Layout ).
•
Yes, then the mixer should be working. If it
is not working see Table 8-18 Mixer
Hydraulic Troubleshooting.
•
No, go to step 1a.
1a Unscrew the din plug center screw so you
can pull the din plug up about 1/4" in order to
check for voltage.
Is there 12Vdc from side post to side post?
•
Yes, the electrical system for the agitator is
working properly, go to Table 8-18 Mixer
Hydraulic Troubleshooting. Also replace
din plug at earliest convenience to retain
visual troubleshooting ability.
•
No, go to step 2.
2 Is there 12Vdc between the "Mixer" toggle
switch bottom post brown wire and nearby
ground wire (black wire)? (With the "Mixer"
toggle switch in the "Forward" position.) See
Fig. 8.5 Mixer Circuit.
•
Yes, replace din plug.
•
No, go to Step 2a.
2a Is there 12Vdc between the "Mixer" toggle
switch center post red wire and nearby
ground source (black wire)?
•
Yes, replace mixer toggle switch.
•
No, go to step 2b.
2b Is there 12Vdc at the lower terminal block red
wire labeled Red-8 and Red Lid P.S.? Yes to both then check for loose
connections or broken wires between
terminal block and mixer switch.
Yes to Red Lid P.S. and No to Red-8
replace terminal block.
No, go to step 3.
3 Is there 12Vdc between the P.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 lid
switch and terminal block.
•
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 3a.
Table 8-15 Mixer Electrical Troubleshooting