、開關(guān)等進(jìn)行短接，短接后，如果故障消除了，就說明故障在這部分，縮小范圍后，再進(jìn)行檢查，就可知道故障點。
When the landing stage, the stage can lift control schematics basis for possible fault contacts, switches, etc. shorting method to check short circuit shorted, if the fault is eliminated, it shows the fault in this section, narrow range, then check, you can know the point of failure.