¶ Issue Description
When you power on the printer, it does not turn on or respond and the UI is always off.
¶ Reasons and Solutions
¶ The outlet has no power.
Step 1 Check the main switch.
Make sure the main switch of the outlet has power.
Step 2 Test the whether the outlet is supplying power normally.
Using other electrical appliances, test whether the outlet works normally.
¶ The power cable is loose.
Step 1 Check the connection of the power supply cable.
Replug the power supply cable. Make sure the cable connection is secured and is not damaged.
¶ The power switch turns off.
Step 1 Check the power switch.
Make sure the power switch ON (symbol "I").
¶ The power adapter is defected.
Step 1 Check the power adapter.
Using a power adapter of the same or higher specifications, observe the status of the power indicator light.
¶ The inner circuit has no power.
Step 1 Check the inner circuit.
Verify that the internal cables and connectors are secure and undamaged.
¶ The motherboard has malfunction or damage.
Step 1 Check the condition of the motherboard and the cables connection.
- Power off the printer.
- Using a 2.0 mm Allen key, loosen the seven screws securing the back cover of the printer, and remove the back cover.
- Observe the status of the motherboard and the cables connected to the motherboard.
Step 2 Check the indicator lights of the motherboard.
- Power on the printer.
- Observe the indicator lights.
- If the indicator lights are on, power off the printer and replug the connection cable of the touchscreen.
- If the indicator lights are off, unplug all the cables, leaving only the power supply cables and touchscreen cables.
- If the indicator lights are on, it inndicates there is an abnormal load accessory.
Reconnect each accessory one by one to identify the faulty component. - If the indicator lights are still off, it indicates the motherboard or power supply issue.
Go to Step 3 for future test.
- If the indicator lights are on, it inndicates there is an abnormal load accessory.
Step 3 Check the voltage at the power supply ports on the motherboard.
NOTE: Only personnel with electrical experience can perform this operation.
- Power on the printer.
- Check whether the power adapter's output voltage is stable and approximately 24V.
If the output voltage is unstable, replace the power adapter with another one.
¶ The firmware of the display/system is abnormal.
Step 1 Reconnect the cable between the touchscreen and the motherboard.
Make sure the installation direction is correct.
Step 2 Inspect the touchscreen surface.
Observe whether there is any damage or resin leakage.
If the firmware is corrupted or missing, download the firmware from the official website and update it.
Otherwise, contact the ELEGOO Support Team for the according firmware.
Step 3 Use extra touchscreen or touchscreen ribbon cable for test.
If extra parts such as touchscreen or touchscreen flex cable, are available, you can replace the touchscreen or flex cable with a new one to verify whether the firmware is abnormal.