Written by
Maya Chen Editorial TeamPublished September 5, 2026Updated October 20, 2026
Error codeF37
ApplianceDishwasher
Quick answer
F37 on an LG dishwasher means the Auto Open Door feature is not working.
Model compatibility: LG reuses codes across series and model years, so F37 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
F37 means the Auto Open Door feature does not function.
F37 appears on an LG dishwasher when the Auto Open Door feature does not function.
Try this
Make sure nothing is interfering near the door and clear the area. If the code stays, request service: the manual says the issue may lie with the components that open the door automatically and needs a detailed inspection.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
Book a specialist visit for a clear estimate and approval before any repair.