Fault Detection Method of Medical Equipment Based on Multi-Index Electrical Performance Parameters

Table 2

The list of known faults.

Status	Fault performance	Status recognition	Characters value
Normal	\	A
ECG fault	ECG waveform is irregular or measured without waveform	B1
Mainboard fault	The main control system fails to turn on or proceed other control function	B2
Display screen fault	The screen is none when switch on, and no operation is displayed	B3
Main cable fault	Clicking keys fault. It is unable to turn on and off or other operation	B4
Air pump fault	It fails to inflate when noninvasive blood pressure measures	B5