Patent ID: 11881362
Assignee: ILLINOIS TOOL WORKS INC.
Field: Furniture, games (Other fields)
Classification: CPC H  A  F  G | IPC A  H

Claim 8:
9. The warewash machine of claim 6, wherein:
(A) the auxiliary contacts operate opposite to the main power contacts, wherein the controller is configured to:
(i) identify a first abnormal contactor operation state based at least in part upon a condition in which the controller is commanding the main power contacts to be closed and the voltage level of the second auxiliary contact is above a first threshold; and
(ii) identify a second abnormal contactor operation state based at least in part upon a condition in which the controller is commanding the main power contacts to be open and the voltage level of the second auxiliary contact is below a second threshold;

or
(B) the auxiliary contacts operate the same as the main power contacts, wherein the controller is configured to:
(i) identify a first abnormal contactor operation state based at least in part upon a condition in which the controller is commanding the main power contacts to be closed and the voltage level of the second auxiliary contact is below a first threshold; and
(ii) identify a second abnormal contactor operation state based at least in part upon a condition in which the controller is commanding the main power contacts to be open and the voltage level of the second auxiliary contact is above a second threshold.