Whirlpool M-17 - Page 25

For Service Technician Use Only
DIAGNOSTICS AND TROUBLESHOOTING (Cont.)
Whirlpool
®
and KitchenAid
®
Filtration and Maytag
®
24" Microltration Dishwashers
n
2-5

FUNCTION CODE ERROR CODE CAUSES WHAT TO CHECK



heater open
 
 Heater component open
 Heater drive circuit on control
NOTE:



Measure resistance of heater and all components




heater failed
 
 Heater component shorted to

NOTE:






Measure resistance of heater and all components




open







 



 








 

Measure resistance of door switch contacts while



If none of the above 




closed




 






Measure resistances of door switch contacts while




1 - UI does


from main
control
User interface has power but cannot

 
main control
 
between UI and main control
 
failed

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