TROUBLESHOOTING CHART
TROUBLE CAUSE REMEDY
MN700-MC0010
8-2
1)
(cont.) Machine plugged in,
guards closed, main power switch
pulled out, nothing happens when
START button is pressed
Transformer, T1 faulty or connected wrong
Check by measuring the voltage between
terminals X1 and X3 of the Transformer, this
should be 120 VAC.
Power switch S1 faulty Check by measuring the voltage between the
left terminal of the switch and ground, this
should be 120 VAC with the switch pulled on.
START switch S2 faulty
Check by measuring the voltage between the
right terminal of the START switch and ground
with the power switch pulled on and the START
switch pressed, this should be 120 VAC.
Relay K2 faulty
Check by measuring voltage between terminals
2 and 7 of the relay while attempting to start the
machine, this should be 120 VAC.
2) Machine plugged in, guards
closed, main power switch pulled out,
only a small click is heard when the
START switch is pressed. (Relay is
operating).
Incoming power out of phase
Phase Monitor faulty
Exchange gray and black wires in plug cap.
Replace phase sensor with a known good unit
or temporarily bypass by connecting together
the leads that are on terminals1 and 8 of the
phase monitor.
Relay contacts faulty Although the relay is pulling in, its contacts may
be faulty, check by measuring the voltage
between terminal 6 of the relay and ground.
This should be 120 VAC when the relay is
energized.
TC700MC
TENDERIZER
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