EZ 1000 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-7
Step
Possible Cause
If . . .
12a
Is there 12Vdc between bottom terminal of
the main power switch (red wire) and nearby
ground source (black wire)?
•
Yes, replace NO contact block.
•
No, go to Step 12b.
12b
Is there 12Vdc between top terminal of circuit
breaker (red wire) and nearby ground source
(black wire)?
•
Yes, check for loose or broken wires
between top terminal of circuit breaker and
bottom terminal (red wire) of main power
switch.
•
No, go to Step 12c.
12c
Is there 12Vdc between bottom terminal of
circuit breaker (red wire) and nearby ground
source (black wire)?
•
Yes, replace circuit breaker.
•
No, go to Step 13.
13
Is there 12Vdc between white wire next to
15A fuse in the ECM panel and nearby
ground source (black wire)?
•
Yes, check for loose or broken wires
between ECM and bottom terminal of circuit
breaker.
•
No, go to Step 13a.
13a
Is the 15A fuse blown in the ECM?
•
Yes, replace fuse.
•
No, call Crafco, Inc. and speak to a
customer service technician, you should
have been able to find the problem.
Table 8-8 Burner Electrical Troubleshooting – 4LE2 Engine (continued)
Fig. 8-1 ECM
Step 13
Step 13a
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