CONTROL CIRCUIT BOARD
DIAGRAM 20 & 50 AMP
The control circuit board contains 5 light emitting diodes
(LED's) to help pinpoint problems. When the LED's
light, it is an indication that power is being supplied to
Incoming
Power to
Circuit Board
DIAGRAMS
Trigger
Circuit
Complete
the function listed below the circuit board diagram (e.g.
when LED designation D17 lights, incoming power to
the circuit board is supplied) . If a given function is
obviously not working, but the related LED is lit, check
the other components within that function (see
TROUBLESHOOTING).
Full Power
Main Contactor
Cutting Relay
Circuit On
Air Solenoid
Circuit On
Circuit On
E
N
G
L
I
S
H
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