Maytag MAH5500BWW Service Manual - Page 127

ACCESSING SERVICE MODE LCD WASHER: Press and hold the back and help keys for 5 seconds to enter the Service Mode. Service Tests Service Tests Pressing the Service Mode keys again, will take the machine out of the Service Mode. The following screen will appear on the touch screen. Service Mode service test ####RPM ####torque unbalance system check diagnostic codes 1... 2... 3... 4... exit service mode user interface test quick spin test system check service cycle advance to next step exit service tests The service tests are identical to the LED washer, except instead of pressing LED keys, the technician can touch any of the screens on the washer control panel to initiate. User Interface Tests upper left User Interface Test upper right Touch the four corners and center of the touch screen in any order. center The Service Mode screen lists four different touch panels; service tests, RPM/ torque, unbalance diagnostic codes and exit service mode. Pressing any of the touch screens will activate a different screen dedicated to that function, except RPM/torque. If the washer is in operation when the service mode is activated, the current spinner RPM, torque and unbalance will be listed. The diagnostic codes listed are the last four codes assigned by the washer. lower left exit user interface test lower right This will check the touch screen. The service technician is prompted to “Touch the four corners and center of the touch screen in any order." When each area is pressed, the button display will reverse image. If all areas are sensed, the control will display “Touch screen test passed." If any area(s) is not sensed within 10 seconds, the technician will be prompted to “Touch the area(s) not highlighted." If the area can still not be sensed within 10 seconds, the control will display “Touch 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-15