Maytag DN3000 Refrigerator User Manual


 
PROGRAMMING
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“TESTMODE” - TEST ROUTINE
This function allows you to diagnose different functions of the vender.
Press key number 4 and the display will show “TESTVEND”.
Press key number 2 or 3 to scroll through the test routines available.
Press key number 1 to return to “TESTMODE”.
“TESTVEND” - Vend Testing
This function allows you to test vend each column.
Press key number 4 and the display will show “COL A1”.
Press key numbers 2 or 3 to scroll through the columns available to run in motor test.
Press key number 4 to run the motor of the column displayed.
Press key number 1 will return to “TESTVEND”.
Press key number 2 to scroll to next test mode.
“TEST SEL” - Select Switch Test
This function allows you to test each selection.
Press key number 4 and the display will show “SEL 4”. Then press any key and the display will show the
last key number pressed.
Press and hold key number 1 for approximately 5 seconds will return to “TEST SEL”.
Press key number 2 to scroll to the next test mode.
“DISPLAY” - Display Test
This function allows you to test all segments in the display.
Press key number 4 and the display segments will illuminate in the following manner; “*0.” will scroll
continuously.
Press key number 1 to return to “DISPLAY”.
Press key number 2 to scroll to next test mode.
“RELAYS” - RELAY TEST
This function allows you to test the relay electronic control of the compressor (“COMPR #”), the
evaporator fan(s) (“FAN #”), and the sign front light (“LIGHT#”).
CAUTION: Disconnect power to the compressor before testing the compressor relay. Failure to
disconnect power to the compressor before testing the relay could result in damaging the
compressor.
Press key number 4 and the display will show “COMPR#”, where # is the state of the relay -
0 = not activated or off; 1 = activated or on . Press key number 4 to toggle the relay on and off.
Press key number 2 to scroll to “FAN#”, where # is the state of the relay - 0 = not activated or off, 1 =
activated or on. Press key number 4 to toggle the fan(s) on and off.
Press key number 2 to scroll to “LIGHT#”, where # is the state of the relay - 0 = not activated or off;
1 = activated or on. Press key number 4 to toggle the lights on and off.
Press key number 1 to return to “TESTMODE”.
Press key number 2 to scroll to “PASSWORD”.
* “PASSWORD” - PASSWORD ROUTINE
This function allows you to enter the following routines which are not accessible until the operator enters a
password, which is set as 4-2-3-1. To enter the password, press key number 4 until the display goes blank. Then
press key number 2, then 3, then 1, and then 4, and “CASH” should appear on the display. If not entered
properly, the display will return to “PASSWORD” after approximately 16 seconds. If entered correctly, the display
will go to the next function “CASH”.