JPS6438574A - Abnormality diagnostic device for absorption refrigerator - Google Patents

Abstract

PURPOSE: To enable specifying of the cause of abnormality by a method wherein when inputting an abnormality signal from a refrigeration cycle, an arithmetic means compares the first - fifth results of detection from first - fifth detection means with first - fifth set values sequentially to display the results of diagnosis stored based on the results. CONSTITUTION: When inputting the first result of detection from a first detector 27 through an interface 38, a CPU 37 compares the results of the detection with a first set value stored in an RAM 35. When the first set value > the first results of detection, the CPU 37 displays and prints out the first results of diagnosis on a display device 42 and on a printer 43 through an interface 39. When the first set value <= the second results of e detection, the second results of detection from a second detector 28 is imputed into the CPU 37 to compare the second results of detection with the second set value. When the second set value < the second results of detection, the second results of diagnosis are displayed and printed out. Likewise, the third-fifth results of diagnosis are displayed and printed out. When the fifth set value >= the fifth results of detection, the CPU 37 displays and prints the sixth results of diagnosis.