电柜上蜂鸣器没响，但手动或自动有一种不能运，检测手动自动按钮是否正不常

Electrical cabinet buzzer did not go off, but there is a manual or automatic can not be shipped, automatically detects whether the manual button positive and infrequent line is open circuit. Whether manually or automatically but can not run, start to detect the electrical cabinet door panel ammonium stop button is normal and whether the lines are open circuit.

The buzzer on the electric cabinet does not ring, but there is a manual or automatic non-transportable, check ingenious manual automatic button stoic and the line is broken. However, whether manual or automatic can not run, check the electric cabinet door panel start stop ammonium button is normal and the line is broken.

The buzzer on the electric cabinet doesn't sound, but one of the manual or automatic ones can't be operated. Check whether the manual and automatic buttons are abnormal and whether the circuit is open. But no matter manual or automatic operation can not be carried out, check whether the start stop button on the door panel of the electric cabinet is normal and whether the circuit is open circuit.<br>