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FAQ
5. Q&A of motor
Q1： If the motor has a jitter fault, or there is no response after plugging in the power.
A1： First check whether the motor wire and the motor terminal or the motherboard port are firmly connected.
if there is looseness or poor contact, and the power can be tested after re-plugging.
A2： Exchange the positions of the motors . If there is no response after re- plugging, the problematic motor
and the normal motor can be exchanged at the motherboard port for testing. After the test, the motor fault
is judged. (A. Motor line Problem B. Drive problem C. Motor problem).
A3： Motor line problem: After confirming that the motor is ok, please exchange positions of the problematic
line on the main board and the motor with the motor line that has no problem, and then test it.
If there is no problem, then it is the problem of the motor line. If it still doesn't work, pls check the driver.
A4： Note: Adjust the motor wiring on the main board. As shown in the figure -4, if it isY-axis jitter, you can
exchange the bad motor line and the good motor line (Y/XZ/E-axis motor line are ok) ports. At the same time,
it is necessary to match the motor line to the corresponding motor. After power-on,
test it by testing the function of the moving shaft.
A5： Drive problem: Under the premise of confirming that the motor and the motor line are no problem,
check the motor drive again. There may be a problem with the drive and a new drive needs to be replaced.
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FAQ
6. Q&A of motherboard
Q1: Motherboard does not read card.
A1: TF card problem: How to determine if there is any problem with the TF card,first check whether the card
can be used normally on the computer. If the TF card can be used normally on the computer, first save
the file to the computer and format the card at the same time. After the card is put on the machine
and tested, if it is not recognized after the power-on test, it proves that the TF card has a problem
and needs to be replaced.
A2: Check if the card slot is loose.Long-term use of the card slot may cause the card holder to shake, resulting in
poor card reading, and need to replace the new card holder to solve the problem. Sometimes the card
may be inserted into the card for a moment and then suddenly no response. You can quickly plug in and out
several times and then try to plug in after turning off the power, then take some alcohol to clean it on the
card, then insert the card into the card slot, and then insert it several times to see if it can be used
normally after cleaning.
A3: TF card chip oxidation, you can try to apply a little alcohol on the SD card, and then insert the card into the
card slot, insert a few more times, see if it can be used normally after cleaning.
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