LIQUID CRYSTAL DISPLAY AND SOUND OUTPUT APPARATUS FOR MAKING SELF-DIAGNOSIS BY ANSWER TO QUERY FOR GAS BOILER

摘要

The invention is characterised in that, the state of the operation exception of the state and each component of the hot water temperature of the hot water discharge of the primary heat exchanger of gas boiler from the built in microcomputer with receptance function is shown by liquid crystal, a self diagnosis liquid crystal display and audio output device are provided by a response method of a gas boiler, its service life for extending gas boiler simultaneously improves the satisfaction of a consumer.