8
5. Hotbed Temp Doesn’t Rise
Step 1 . Check Screen Operation
Step 2 . Check hotbed connection
6. Motor Issue
Step 1 . Motor Test
a. Screen Operation
Quick
Settings → Preheat PLA
b. Check
D4
indicator .If the it doesn’t
light on , you need to replace a
mainboard; if
D4
indicator lights on ,
please check
BED
port connection .
If no connection problem , you need
to
replace a hotbed
.
D4