1. BLtouchworks abnormally
Check out the wiring connection according to the instruction manual.
Check out whether the firmware is modified correctly.
2. Failed to update motherboard firmware
1) Use a new SD card and format it into fat32 type.
Copy firmware.bin to the root directory of the SD card (the firmware name must be firmware.bin, all in lowercase letters).
Power on or press the motherboard reset button until the red light flashes, waiting for the firmware update.
2) If the printer works normally but fails to update the firmware, please check whether the pins inside the card slot are defective.
2. Screen type requirements
The LCD screen only supports the LCD12864 model with the CR10_STOCKDISPLAY interface.
3. When using a USB power supply, the mainboard indicator does not light up.
To use a USB power supply, you need to insert the jumper cap of the USB power supply, as shown in the picture.
4. What is the maximum power of the heat bed and heat rod supported by the motherboard?
The maximum power of the heat bed is 240W, and the power of the heat rod is 192W (when using a 24V power supply)
The maximum power of the heat bed is 120W, and the power of the heat rod is 96W (when using a 12V power supply)
5. The fan does not work. And use a multimeter to test the fan port showing no voltage.
Because the mainboard had updated the firmware-ender3.bin when it left the factory. The FAN1 port and FAN2 port need to meet some conditions to activate the fan rotation. The following is the definition of each fan port.
The FAN0 port is a controllable fan port, and the fan speed can be adjusted manually.
The FAN1 port is only dynamically activated when the hot end is running to avoid fan wear and unnecessary noise, and it will automatically open when the hot end temperature reaches 50℃.
FAN2 port is activated when using the driving program. (When the motor is working)
6. Does SKR MINI E3 V3.0 compatible with CR touch? What’s the difference between CR touch and BL touch? Is firmware universal?
First, SKR MINI E3 V3.0 can compatible with CR touch. And CR touch and BL touch are both connected with the Z-probe port of the mainboard.
The line sequence of CR touch is:
White--GND;
Black--V;
Yellow--IN;
Red--GND
Blue--OUT
The line sequence of BL touch is:
Brown--GND;
Red--V;
Yellow--IN;
Black--GND
White--OUT
Because the pin line sequence of the Z-probe of the motherboard is from top to bottom: PC14(OUT), GND, PA1(IN), PWR(V), and GND from the top to the end, you can directly plug CR touch into the SKR MINI E3 V3.0 on the mainboard.
7. SKR MINI E3 V3 installed on Ender 3 v2, why are the screen blank and the alarm is going off?
Because the screen of the Ender 3 V2 printer is vertical, our motherboard can only support a horizontal screen, so when SKR MINI E3 V3.0 motherboard is connected to the original screen of Ender 3 v2, an error will be reported.
8. Fail to read the SD card, fail to update the firmware.
You could try to replace an SD card, or format the SD card. Choose FAT32 for the file system, and name the same firmware with two different names; one named “firmware”, and another named “firmware.bin”. Then store the firmware with two names in the SD card, and insert it into the card slot of the mainboard, finally turn on the power, and the mainboard will automatically refresh the firmware. After the refresh is completed, you can see which file name in the SD card has become uppercase, indicating the firmware has been refreshed successfully.
Purchase Link:
Navigation:
- BIQU Official Website http://biqu3d.com
- BIGTREETECH Official Website http://bigtree-tech.com
- Online Store https://biqu.equipment
- Community https://community.biqu3d.com
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