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Diagnostic display method for electronic cooking appliance control

  • US 5,841,112 A
  • Filed: 04/03/1997
  • Issued: 11/24/1998
  • Est. Priority Date: 04/03/1997
  • Status: Expired due to Term
First Claim
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1. A cooktop service diagnostics method which is effected by a programmable controller system, wherein the programmable controller:

  • a) executes a routine upon receipt of a first specified pattern of input signals selectively input by the cooktop operator to the programmable controller;

    b) issues an activation audible signal to indicate receipt of the specified pattern of input signals;

    c) issues an activation visual signal to indicate receipt of the specified pattern of input signals;

    d) tests a plurality of cooktop heating element drivers for malfunction conditions;

    e) tests a plurality of cooktop controller input drivers for malfunction conditions;

    f) issues a malfunction visual signal to indicate the existence and type of any malfunction condition;

    g) terminates the routine upon the receipt of a second specified pattern of input signals selectively input by the cooktop operator to the programmable controller;

    h) issues a deactivation visual signal to indicate termination of the routine; and

    i) issues a deactivation audible signal to indicate termination of the routine.

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