The problem of power failure when the door of the small power distribution unit (SPDU) is opened

Opening the small power distribution unit (SPDU) door to remove power is a common safety measure. When the door of the small power distribution unit (SPDU) is opened, the circuit should have been cut off to prevent accidental touch or dangerous operation. This is to protect the safety of personnel and the normal operation of equipment.

If you encounter the problem of power failure when the door of the small power distribution unit (SPDU) is opened, you can troubleshoot and solve it according to the following steps:

1. Check whether the small power distribution unit (SPDU) door is well sealed and whether the door is closed tightly. If the door is not closed properly, the circuit may automatically de-energize.

2. Check the circuit inside the small power distribution unit (SPDU) for short circuit or other faults. If there is a problem with the electrical circuit, the small power distribution unit (SPDU) may automatically de-energize to prevent damage to equipment or personnel.

3. Check whether the fuse or circuit breaker inside the small power distribution unit (SPDU) is normal. The small power distribution unit (SPDU) will also automatically de-energize if they have tripped or blown.

4. Check whether the small power distribution unit (SPDU) is well grounded. Poor grounding will also cause the small power distribution unit (SPDU) to automatically power off.

In short, opening the door of the small power distribution unit (SPDU) to cut off the power is to protect the safety of personnel and equipment. If you encounter this situation, you can troubleshoot and solve it according to the above steps, or contact a professional electrician for repair and maintenance.