¶ 1. Phenomenon Description
The UV light remains on even after turning off the clear screen or completing the print
¶ 2. Cause Analysis
Mainboard terminal connection error. The LED light connector was mistakenly plugged into the fan port, causing the LED light to remain on after the screen clearing was completed. (After the screen clearing, the mainboard continues to supply power to the fan, but due to the wrong connection, the light remains on.
¶ 3. Troubleshooting and solution
Check the wire label connected to the power enable terminal of the light board on the main board, it should be marked with: LED... . The first interface on the fan main board (cooling fan interface) is connected to the light board cooling fan, labeled: FAN2. The second interface (exhaust fan interface) is connected to the air filter fan, labeled: FAN1.
