Crafco SUPER SHOT 125, Parts Manual

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Super Shot 125 Diesel Melter Part Manual
Chapter 9 Troubleshooting (47400)
©2017 by Crafco, Inc. All Rights Reserved………………...…………………………………Troubleshooting (47400) 9-33
Step Possible Cause If . . .
6 Move back to the control box.
Is there 12 Vdc between the pump relay base
#14 terminal green trigger wire and the #13
terminal black ground wire, when the trigger is
pulled?
• Yes, go to Step 7.
• No, check for a broken wire or loose wire
at the relay base on both the green trigger
wire and the two black ground wires. Also
check for any damage to the green trigger
wire from the junction box to the control
box.
7 Is there 12 Vdc between the pump relay base
#12 terminal red wire and the #13 terminal black
ground wire? • Yes, go to Step 8.
• No, go to Step 7a.
7a Is there 12 Vdc between the terminal block red
black wire and the pump relay base #13 terminal
black ground wire? • Yes, check a broken wire or loose wire at
the pump relay base #12 terminal.
• No, go to Step 7b.
7b Is there 12 Vdc between the terminal block red
wire (across to the left of the terminal block red
black wire) and the pump relay base #13
terminal black ground wire? • Yes, check for a loose wire in the terminal
block. If you have power on one side you
should have it on the other. If still the case
after checking, then replace the terminal
block.
• No, go to Step 7c.
7c Is there 12 Vdc between the circuit breaker
bottom post red wire and the pump relay base
#13 terminal black ground wire? • Yes, check for a broken wire or loose wire
at the circuit breaker and at the terminal
block red wire.
• No, if this is the case you would have
had problems with the burner working.
Call
Crafco, Inc. and speak to a service
technician.
8
Is there 12 Vdc between the pump relay base #8
terminal blue pump wire and the #13 terminal
black ground wire?
• Yes, go to Step 9.
• No, replace the pump relay cube.
9 Move to the rear of the machine. Remove the
cover over the hydraulic manifold.
Is the amber light "ON" when the wand trigger is
pulled?
(Looking down at the top of the hydraulic valve,
Pump forward is the din plug lower right-hand
corner, Refer to
Fig. 9-7 Din Plug Layout. )
• Yes, go to Step 9c.
• No, go to Step 9a.
Table 9-28 Pump Electrical Troubleshooting (continued)