Every guide below covers refrigerator problems and error codes — new guides are added here as soon as they're published.
Freezer not freezing while the fridge still seems cold? Neither GE nor LG publishes a page for that exact symptom — here are the related GE cooling checks and LG fault codes that apply.
Your refrigerator runs all the time and won't shut off? Here's what's causing it — and the fixes to try before calling a technician.
Fridge warm but freezer cold? 6 real causes — evaporator fan motor, defrost system failure, dirty condenser coils and more — with DIY fixes.
Samsung refrigerator error codes 22C, 22E, 5E, 41C and more — what Samsung says each means, which models they apply to, and what to do.
GE refrigerator error codes explained — the official meanings of FF, PF, CI, DE, dE, CC, tC and tF, what each one is telling you, and the first safe check for each.
Whirlpool refrigerator error codes explained — F codes, PO, and blinking indicator lights. What the display is telling you and what to do next.