Diagnostic device for a washing appliance, and associated apparatus and method

A washing appliance, comprising:

• a plurality of operational components;
• at least one control switch device;
• a control unit in communication with the a plurality of operational components and with the at least one control switch device, the control unit being responsive to the at least one control switch device to control the plurality of operational components, the control unit being further configured to monitor an electrical current consumed by the plurality of operational components so as to identify at least one operational component experiencing a failure, and provide an indicia of the failure, whereby interruption of the electrical current associated with at least one of the plurality of operational components is associated with the failure of the at least one of the plurality of operational components;
• and
• a panel member associated with the control unit, the panel member including an indicia of the at least one operational component experiencing the failure, the at least one operational component indicia being configured to cooperate with the corresponding failure indicia so as to provide a perceptible identification of the at least one operational component experiencing the failure.