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Well T812 - Troubleshooting and Technical Details; Error Code Set Operations; Important Usage Notes; Technical Specifications

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Error code set
Scan DTCs:scan the ECU to check if there is the error code,and show the error details
Clean DTCs:switch to Clean the DTCs,short press in the button to finish the cleaning
Please note:
It is recommended to unplug the OBD device if your car doesnt been used for more
than one week.Due to the OBD equipment for long power, standby current is about
20ma ,in theory, the use time of a common battery is 1 month,surely,situation of
each car is different.
Technical Parameters:
Environment temperature: -40c- + 80c
atmospheric pressure 86-106KPa
Relative Humidity: 10% -95%
environmental noise <= 60dB (A)
Alarm sound level: =30dB (A)
Working voltage: 5V ~ 24Vdc (12Vdc / 400mA)
Product size: 107x57x20 mm
Product Weight: 50 g
OBD2 System Troubleshooting:
1.The screen without any display,and no power
Start the car engine;check if the OBD cable line is tight;please pull down the OBD
cables more times to ensure;check if product power switch turns on. If still no
display ,please change another car to test, analyze whether the car OBD diagnostic
interface is good, if it is not good,please repair it and try again.
2.Only shows the car voltage and be automatic power off after 60 second when the
device is with power
This product just available for cars with OBD2 agreement and EU-OBD
agreement(European region: after 03 years, Other region:after 07 years)
This Products donnot support JOBD and OBDI and recommended test for another
car.