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Rack Control Module (RCM) Operation
(RCM)
H3
(MD-66 Only)
(MD-66 Only)
The operation of the dishwasher and the RCM is apparent by observing the status of the indicator
lights mounted on the RCM and the functioning of the dishwasher. The explanation of the RCM is
given below.
Rack Control Module (RCM) Operation
Input Section Red Indicator Lights
Red lights show the status of inputs on the RCM.
Inputs to the RCM come from the dishwasher controls.
NOTE:
Whenever a RED input light is ON its
corresponding input circuit is CLOSED.
Power - ON when the power switch on the dishwasher
control panel is on.
Pause
- ON when the door(s) are closed.
OFF when a door(s) are open.
Start
- ON when the front panel start push button
is pressed, OFF when it is released.
Stop - ON when the front panel stop push button is
pressed, OFF when it is released.
Table Limit
- ON when the table limit switch is closed
(The table limit switch is not activated).
Jam Switch - ON when the jam switch is closed
(The jam switch is not activated).
Rack Switch - ON when the rack switch is closed.
OFF when a dishrack is inserted
into the dishwasher.
Final Rinse - ON when the final rinse switch
is closed. OFF when the dishrack
is in the Final Rinse Zone.
Wash Flt U - ON when the wash tank is full and
the wash upper float is up.
Wash Flt L - ON when the wash tank is full and
the wash lower float is up.
Prewash - ON when the prewash tank is full
Flt U and the PW upper float is up.
(Model MD-66 Only)
Prewash - ON when the prewash tank is full
Flt U and the PW upper float is up.
(Model MD-66 Only)
ATTENTION:
The DR Level/Rinse Flt U and the Rinse Flt L are not used on the MD-44 and the MD-66 models.
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
H5 H3
Input Section
NOT USED
NOT USED