Common faults and solutions of prepaid electricity meters
Publish Time: Author: Site Editor Visit: 100
1、 The electricity meter shows no response or abnormal display
After inserting the power purchase card, there is no long noise from the meter and the power is not input
Reasons: The electricity meter may not have been issued yet, there may be circuit faults, ESAM module or meter certification faults, meter clock faults, discrepancies between the user number on the meter and the card during secondary power purchases, power outages caused by overload, inconsistent power purchase times, illegal cards or card damage, etc.
Solution: Re insert the key modification card; After confirming that there is power in the circuit, if there is still no display, it may be necessary to replace the meter; For ESAM module or meter authentication failure, meter clock failure, it is necessary to replace the meter; Retrieve the original power card that matches the electricity meter; Check the household load, and if it exceeds the load limit of the electricity meter, apply for capacity increase or replacement of the electricity meter; Contact relevant departments to reset and rewrite the electricity meter and card; For illegal or damaged cards, contact the relevant department for handling.
Abnormal display on the electricity meter
Reason: The electricity meter displays flashing numbers, unclear displays, or error codes.
Solution: First, refer to the user manual of the electric meter to understand the specific cause of the malfunction and the solution. If the problem cannot be solved, you can contact the power company or property management department for maintenance and repair.
2、 The electricity meter cannot read IC card information
IC card cannot be read
Reasons: IC card damage, electricity meter malfunction, IC card reverse insertion, incorrect data handover between electricity meter and card, etc.
Solution: Try wiping the metal contacts of the IC card with a clean soft cloth to ensure good contact. If the problem persists, it may be a damaged IC card or a faulty electricity meter, and it is necessary to contact the relevant power company or property management department for replacement or repair.
3、 The electricity meter cannot supply power normally
The electricity meter has power but no output
Reasons: overload, remaining power below the secondary alarm value, relay failure, etc.
Solution: Reduce the power load and insert a card to restore power supply; Insert the user card to restore power supply; Replace the electricity meter and perform relevant operations.
4、 Other faults
Frequent occurrence of specific error codes on the electricity meter
Solution: Refer to the meter user manual based on the error code or contact the power company to understand the specific cause and solution of the malfunction.
The appearance of the electric meter is damaged
Solution: If the appearance of the electricity meter is damaged and does not affect its use, it does not need to be replaced. But if it affects the reading or poses a safety hazard, the power company should be contacted in a timely manner for replacement.
5、 Preventive measures
Regular maintenance: Clean and maintain the electricity meter regularly to ensure that it is in good working condition.
Correct use: Operate the meter and IC card correctly according to the meter user manual to avoid malfunctions caused by improper use.
Timely repair: When a malfunction is found in the electricity meter, it is necessary to contact the power company or property management department for maintenance and repair in a timely manner.
In summary, prepaid electricity meters may encounter various malfunctions during use, but as long as the correct handling methods and preventive measures are mastered, the normal use of the meter can be ensured and its service life can be extended.
