lcd_connection_error
Moderate
Elegoo · Resin (SLA/MSLA) 3D Printers
LCD Masking Screen Communication Failed
Quick Answer
Error code LCD_CONNECTION_ERROR on your Elegoo Resin (SLA/MSLA) 3D Printers means: LCD Masking Screen Communication Failed. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Power off the printer and carefully open the bottom panel to access the LCD ribbon cable
2
Ensure the ribbon cable is fully seated in the ZIF (zero insertion force) connector and the latch is closed
3
Inspect the ribbon cable for visible cracks, kinks, or resin contamination
4
Clean the connector contacts with isopropyl alcohol and a lint-free swab if any residue is present
5
If the ribbon cable appears damaged, replace it with an OEM cable matching the exact pin count and length
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Replacement LCD ribbon cable (model-specific)
Replacement LCD screen with integrated cable
Isopropyl alcohol and lint-free swabs
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