To analyze the common faults of the electric meter box, we can start from the following aspects:

Fault phenomenon identification: Firstly, it is necessary to clarify the specific fault phenomena that occur in the meter box, such as abnormal meter display, inexplicable rotation of the turntable, inaccurate measurement, etc.

Cause investigation:

Natural environmental factors: Check whether the meter box is in a harsh environment such as humidity and frequent lightning strikes, which may cause damage or short circuits to the internal components of the meter box.

Human factors: Analyze whether there are improper operations or insufficient maintenance, such as wiring errors, careless operation when adjusting the accuracy of the electricity meter, etc.

Equipment aging: Consider whether the meter box and its internal components have aged due to long-term use, such as wear and tear of the metering gear, failure of the anti submarine device, etc.

Diagnosis and confirmation: Use professional tools and equipment to inspect the meter box, such as measuring voltage, current and other parameters with a multimeter, checking for loose or virtual connections, and confirming the specific location and cause of the fault.

Solution: Take corresponding measures based on the diagnosis results, such as replacing damaged components, adjusting wiring, cleaning debris, etc. For meter boxes that cannot be repaired or are severely damaged, they should be replaced in a timely manner.

Through the above steps, a comprehensive and accurate analysis and handling of common faults in the electricity meter box can be carried out to ensure the stable operation of the power system.