!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
©2004 Maytag Appliances Company
16022983 Rev. 0
7
Troubleshooting
LOW PRODUCT SWITCHES
1. Release the MAIN DOOR switch.
2. Press the LOW PRODUCT plate for bin 1. Hold the
MAIN DOOR switch closed, leaving the door open.
Only LED1 should turn off. If not, fail.
· Mis-wired LOW PRODUCT harness and/or
switch.
· Mis-aligned LOW PRODUCT plate.
· The LOW PRODUCT input for that switch on the
MAIN PCB is bad: short, missing resistor, etc.
· CONNECTOR PCB or ribbon cable problem.
3. Release the MAIN DOOR switch.
4. Press the LOW PRODUCT plate for bin 2. Hold the
MAIN DOOR switch closed, leaving the door open.
Only LED2 should turn off. If not, fail.
· Mis-wired LOW PRODUCT harness and/or
switch.
· Mis-aligned LOW PRODUCT plate.
· The LOW PRODUCT input for that switch on the
MAIN PCB is bad: short, missing resistor, etc.
· CONNECTOR PCB or ribbon cable problem.
5. Release the MAIN DOOR switch.
· Mis-wired LOW PRODUCT harness and/or
switch.
· Mis-aligned LOW PRODUCT plate.
· The LOW PRODUCT input for that switch on the
MAIN PCB is bad: short, missing resistor, etc.
· CONNECTOR PCB or ribbon cable problem
6. Press the LOW PRODUCT plate for bin 3. Hold the
MAIN DOOR switch closed, leaving the door open.
Only LED 3 should turn off. If not, fail.
7. Release the MAIN DOOR switch.
8. Press the LOW PRODUCT plate for bin 4. Hold the
MAIN DOOR switch closed, leaving the door open.
Only LED 4 should turn off. If not, fail.
· Mis-wired LOW PRODUCT harness and/or
switch.
· Mis-aligned LOW PRODUCT plate.
· The LOW PRODUCT input for that switch on the
MAIN PCB is bad: short, missing resistor, etc.
· CONNECTOR PCB or ribbon cable problem.
DISPENSE TEST
· Place 1 product into each of the 4 bins. Close the
MAIN DOOR. Verify that each bin dispenses the
product properly through the FLIPPER door. If
not, fail.
TEST COMPLETE
Summary of Contents for Skybox MBS1976AAB
Page 11: ...A 1 Appendix A...
Page 28: ...B 1 Appendix B...