The Ultimate Guide to Self-help for Charging Pile Failures in 2024: 7 Solutions to High-frequency Problems + Prevention Tips

The 2023 report of the General Administration of Quality Supervision, Inspection and Quarantine shows that 31.6% of new energy vehicle owners have encountered charging pile failures, with scanning failure, charging interruption, and gun head jamming ranking the top three. Based on 2000+ real cases, this article collates emergency plans and prevention guidelines for 7 high-frequency problems to help you quickly get out of the charging dilemma.

I. Step-by-step guide for handling 7 major high-frequency faults

1.Scan code failed/no response

Processing flow:
1.Switching the mobile phone network to 4G/5G priority
2.Check APP version
3.Press and hold the emergency stop button on the pile for 10 seconds to force a restart

2.The charging gun is stuck and cannot be pulled out

Three steps of gold:

1. Vehicle side: unlock the charging port through the central control screen
2. Gun head end: keep pressing the emergency button for 5 seconds
3. Operation tips: rotate counterclockwise by 15 degrees and pull out at a constant speed

• lTaboo: Do not use lubricant/tools to pry

3.Unexpected interruption of charging

Self-checking list:
The platform hides the part of the account balance exceeding 10 yuan
Battery temperature <50℃, Tesla Model Y critical value 48℃
Turn off high-power devices such as air conditioners in the car

4.Charging speed drops sharply

Diagnostic tool:
Check the real-time power normal value is ±10% of the nominal value
Common causes:

• lSuggested replacement period for grid voltage fluctuation
• lOxidized alcohol cotton piece of gun head is used to wipe the contact

5.The charging pile screen is black

Emergency charging plan:
Use the "Offline Charging" function of the operator's APP
Enter the pile number + preset charging amount and bind the account in advance

6.Abnormal buzzer alarm

Risk classification and handling:
Alarm type and handling scheme
Intermittent short sound. Check the foreign matter in the cooling hole
Continuous long ringing, immediately power off and report for repair

7.Abnormal cost settlement

Evidence chain for rights protection:

1. The charging process recording includes the start and end time and amount
2. Screenshot of payment voucher
3. The customer service communication recording should clearly state the appeal and time limit

II. Routine Maintenance and Fault Prevention

1.Monthly maintenance list

• Contact cleaning: wipe the gun head with anhydrous alcohol cotton piece instead of wet wipes
• Cable inspection: no stiffness in bending, no cracks on the surface
• System upgrade: OTA firmware update improves compatibility

2.Protection against extreme weather conditions

• On rainstorm days: keep the gun muzzle downward to prevent water from flowing backward
• High temperature days: choose underground/shade charging stations