45
Model C723
Troubleshooting
Electrical Troubleshooting Guide
Power Cord Plugged In/Power Switch in the
OFF Position
L1 power from the power cord connection travels
through the EMI filter to the 16 volt transformer. The
transformer supplies 16 VAC to terminals A and B
on the interface board.
The interface board sends 5 VDC to terminal J1 on
the universal board.
Power Switch in the ON Position
L1 power from the power cord connection is
supplied to the terminals marked L1 on the interface
board. To supply power to the L1 terminal on the
interface board, L1 travels through the following
switches: Power switch, beater motor overload
switch, compressor high limit switch, and 15A fuse.
Power Switch in the ON Position/Mode
Select: WASH
With L1 power supplied to the L1 terminal of the
interface board, power is supplied through pin 7 of
the J6 terminal, beater interlock relay, and to the
beater motor contactor coil.
Power Switch in the ON Position/Mode
Select: AUTO
Power is sent from the L1 terminal of the interface
board through the following pins on the J6 terminal:
7 for the beater motor contactor coil
1 for the compressor contactor coil
Power Switch in the ON Position/Mode
Select: AUTO/Draw Switch Activated
Power is sent from the L1 terminal on the interface
board through the following pins on the J6 terminal:
7 for the beater motor contactor coil
1 for the compressor contactor coil
At the completion of a draw, the beater motor and
compressor are cycled off by the personality board
amperage monitor.
Summary of Contents for C723
Page 2: ......
Page 39: ...35 Model C723 Controls Systems and Operations 140519 C723 Control Overview Figure 72 ...
Page 41: ...37 Model C723 Controls Systems and Operations 130409 Refrigeration Schematic Figure 73 ...
Page 52: ...48 Troubleshooting Model C723 Notes ...
Page 55: ...51 Model C723 Parts Notes ...
Page 56: ...52 Parts Model C723 150603 Model C723 Exploded View Figure 74 ...
Page 59: ...55 Model C723 Parts 140519 Model C723 Operator Parts Figure 75 ...