Troubleshooting Guide: Wheel Balancer Trouble-Error Codes and How to Fix Them

A wheel balancer is a critical tool for auto repair shops that ensures the proper balance of a tire and wheel assembly. While wheel balancers are built to last, they can still experience problems, especially if they are not maintained or calibrated properly. The most common problems with wheel balancers are trouble-error codes, which can disrupt the balancing process and lead to inaccurate results. In this article, we will provide a guide to help you understand these codes and how to fix them.


Trouble-error code list

When the wheel balancer displays a hint of error, can follow the consult below list to remove the trouble:


Codemeaningscauseremedy
Err 1principal axis not

spin or have not

spin signal

1. motor fault

2. position sensor fault

3. power supply board fault

4. computer board fault

5. connection-peg untouched

 

1. change motor

2. change the position sensor

3. change the power supply

board

4. change the computer board

5. check cable connections

 

Err 2The rotation is

lower than 60r/min

1. position sensor fault

2. wheel not impacting or

weight too light

3. motor fault

4. driving belt too loose or too

tighten

5. computer board fault

1. change the position sensor

2. repeat impacting wheel

3. change motor

4. adjust the driving belt

elasticity

5. change the computer board

Err 3Miscalculationtoo high imbalanceRepeat the self-calibration

change computer board

Err 4principal axis

Wrong rotation

direction

1. position sensor fault

2. computer board fault

1. change the position sensor

2. change the computer board

Err 5Protection hood

not lay down

1. when pressing the START key,

The protection hood does not lay down

2. jiggle switch fault

3. computer board fault

1. follow the right method

operation

2. change the jiggle switch

3. change the computer board

Err 6Sensor signal

transact circuit not

working

1. power supply board fault

2. computer board fault

1. change the power supply

board

2. change the computer board

Err 7Loose date of

interior

1. Incorrect self-calibration

2. computer board fault

1. Repeat the

self-calibration

2. change the computer board

Err 8Self-calibration

memory fault

1. Do not put 100 grams on the

rim when self-calibration

2. power supply board fault

3. computer board fault

4. press sensor fault

5. connection-peg untouched

1. follow the right method repeat

self-calibration

2. change the power supply

board

3. change the computer board

4. change the press sensor

5. check the cable connection


Advantages and Disadvantages of Wheel Balancer Types: There are two main types of wheel balancers: the bubble wheel balancer and the computerized wheel balancer. The bubble wheel balancer is simple to use and inexpensive, but it is less accurate than the computerized wheel balancer. The computerized wheel balancer is more accurate and can detect multiple problems, but it is more expensive and requires more training to use.

How to Choose the Right Wheel Balancer: To choose the right wheel balancer, consider the size and volume of wheels you will be balancing, your budget, and your technicians' skill level. If you are a small auto repair shop and only need to balance a few wheels per week, a bubble wheel balancer may be sufficient. However, if you are a larger shop that balances many wheels per day, you may need a computerized wheel balancer that can handle a high volume of work.

Conclusion: Wheel balancers are essential tools for auto repair shops, but they can encounter problems that can disrupt daily operations. Understanding common trouble-error codes and how to fix them is critical to ensuring that your wheel balancer is working correctly. Additionally, choosing the right wheel balancer for your shop's needs can help improve productivity and accuracy. Regular maintenance and calibration of your wheel balancer will also help prevent issues and keep it in top condition.