Controller for fuel fired heating appliance

Details Controller for fuel fired heating appliance Controller for fuel fired heating appliance

2006-03-28

2006-03-28

Bahta, Kidest (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C700S029000, C219S497000

Reexamination Certificate

active

07020543

ABSTRACT:
A controller for a fuel-fired appliance comprising a microprocessor that is able to detect an interruption in power, and immediately store errors and historical diagnostic information in a non-volatile memory before the microprocessor powers down. Upon restoration of power, the microprocessor would flash or display the most recent error codes on the controller's diagnostic LED or display. The microprocessor is also able to detect an open fuse condition, and flash or display the fuse error on the display.

REFERENCES:
patent: 6129284 (2000-10-01), Adams et al.
patent: 6728600 (2004-04-01), Contaldo et al.
patent: 2004/0060924 (2004-04-01), Burkhart

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