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

Table 8

Judgment accuracy rate of various indicators under different operating statuses.

Statuses	Normal (%)	ECG circuit module fault (%)	Motherboard fault (%)	Screen; malfunction (%)	Main cable; malfunction (%)	Air pump; fault (%)
Current only	100	48.1	100	85.3	74.2	30.5
Voltage only	100	95.3	89.2	38.2	26.5	5
Power only	100	83.7	80.1	62.9	81.5	44.7
Multi-indicators	100	99.56	100	96.47	97.3	93.55