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Rinse Flt L
Wash Flt L
Wash Flt U
Final Rinse
Rack Switch
Jam Switch
Table Limit
Stop
Start
Pause
Power
DR Level
Rinse Flt U
Prewash Flt L
Prewash Flt U
Run
H7
H5 H3
H1
H2
H4
H6
AA
Prewash
DR Tank
Rinse Tank
Digital Display
Rinse
Reset
DR Pump
Pumps
Rinse Aid
Prewash Fill
Wash Fill
Final Rinse
Run Light
DR/Rinse Heat
Wash Heat
Booster Heat
Input Section Output Section
RCM Status/Jumpers
NOT USED
NOT USED
Rack Control
Module
(RCM)
NOT USED
Not Used
Not Used
Not Used
Rack Control Module (RCM)
(RCM)
H1
(RCM)
H3
(MD-66 Only)
(MD-66 Only)
(RCM)
H2
(RCM)
H4
Refer to the illustration of the Rack Control Module (RCM)
to the left and note the three outlined sections. The
sections are labeled and the function of each section is
explained below:
Input Section — Red lights show the state of
the inputs to the RCM.
Output Section — Green lights show the outputs
from the RCM to the machine.
RCM Status/Jumpers — The red RUN indicator shows
that the RCM is energized.
The jumpers set-up the inputs
and outputs for various
machine models.
RCM Sections
RCM Harness Connectors
Note the illustration of the RCM at left and the details
from the machine electrical schematic #702260 to the
right. These illustrations show the location and
connections from the RCM to the dishwasher. The
function of the connectors are:
H1 — Control Cabinet Inputs
H2 — Control Cabinet Outputs
H3 — Inputs from Junction Box
H4 — Heat Outputs
RCM Operation
The insert following this page gives a detailed
explanation of the inputs, outputs and the status
of the indicator lights on the RCM during normal
operation of the machine.
Refer to these instructions and the electrical schematic
for the operation sequence of the RCM and to aid in
the troubleshooting of the dishwasher.
Electrical Schematic 702260 — RCM Inputs