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Every Appliance Sleuth guide in one place. New guides added regularly.
Error Code Guides
GE Dryer Tumbles but No Heat: Causes & Checks
GE dryer runs and tumbles but won't heat? What GE's own no-heat articles say to check, and why heat-part work is a technician job.
Samsung · Error CodesSamsung Refrigerator Error Codes: Meanings & What to Check
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 · Error CodesGE Refrigerator Error Codes: FF, PF, CI, DE, dE & CC Explained
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.
Samsung · Error CodesSamsung Washer Error Codes: What Each Code Means
Samsung washing machine error codes explained — 4E, 5E, UE, 3E, 1E, tE, OE, dE and more. What each code means and what to check first.
Whirlpool · Error CodesWhirlpool Refrigerator Error Codes: PO & Flashing-F Codes Explained
Whirlpool refrigerator error codes explained — F codes, PO, and blinking indicator lights. What the display is telling you and what to do next.
LG · Error CodesLG Washer Error Codes: What Each Code Means
LG washer error codes explained — OE, IE, UE, LE, dE, FE, PE, tE, CE, Sud, AE, SE, HE, dHE and more. What each code means, straight from LG's list, and what to check first.
Whirlpool · Error CodesWhirlpool Washer Error Codes: What Each Code Means
Whirlpool washer error codes decoded — F21, F5 E2, SUD, dE, LO FL and more. What each code means and the manufacturer's first checks.
GE · Error CodesGE Washer Error Codes: What Each Code Means
GE and Hotpoint washer error codes explained — how to read the display, why code meanings are model-specific, and how to find the right fix for your machine.
Symptom Fixes
Washing Machine Making Noise? What Each Sound Means and What to Check
A washing machine making noise? Compare the sound to what LG and Samsung document — thumping, rattling, clicking, squealing, humming — plus the owner checks to try before you call service.
Symptom FixFreezer Not Freezing But Fridge Cold: GE Cooling Checks and LG Fault Codes
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.
Symptom FixWhirlpool Dishwasher Not Filling With Water? What Whirlpool Says to Check
Whirlpool dishwasher not filling? Whirlpool's checks: water valve, door latch, START/RESUME, control lock, drain-hose loop, supply line and pressure.
Symptom FixWhirlpool Dryer Making Noise? Whirlpool's Own Checks, Sorted by Sound
Whirlpool dryer making noise? Whirlpool's own checks for squealing, thumping, knocking, buzzing, scraping and door squeaks.
Symptom FixWhirlpool Dryer Not Collecting Lint? What Whirlpool Says to Check
Whirlpool dryer not collecting lint? Follow Whirlpool's own checks: lint screen seating and residue, vent airflow, load size, cycle choice and fabric type.
Symptom FixLG Dryer Display Showing 9A5 ("GAS"): What It Means & Fixes
LG dryer showing 9A5? It's not an error code — the display is spelling "GAS," meaning the dryer isn't getting gas supply. Here's what LG says to check first.
Symptom FixWasher Shaking or Vibrating? 6 Causes and How to Fix Each One
Washer shaking, vibrating, or walking across the floor? 6 real causes — uneven feet, shipping bolts, unbalanced loads, worn suspension — with step-by-step fixes for top-load and front-load machines.
Symptom FixWasher Won't Fill (or Fills Slowly)? Causes & Fixes
Washer won't fill or fills slowly? Check the water valves, the supply hoses, kinked or frozen hoses, and the inlet screens — with the LG and Samsung not-filling codes explained.
Symptom FixDryer Taking Too Long to Dry: Causes & Checks
Dryer taking too long to dry, or not drying at all? Work through GE's own owner-level checks — ventilation, lint, load size and washer spin speed — before you call a technician.
Symptom FixMicrowave Runs But Doesn't Heat: Causes & Checks
Microwave runs but won't heat? What the symptom means, the two safe owner checks to try first, the common GE fault codes, and why GE advises against DIY microwave repair.
Symptom FixDishwasher Leaking: How to Find the Leak & Fix It
Dishwasher leaking from the door, bottom, or under the unit? Find where the water is coming from, start with the cheapest official check, and know when to call a pro.
Symptom FixRefrigerator Running Constantly: Causes & Fixes
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.
Symptom FixDishwasher Not Cleaning: Causes & Fixes (2026)
Dishwasher not cleaning dishes? Top causes: clogged spray arms, wrong detergent, hard water, overloading. How to fix each one yourself — no tech needed.
Symptom FixFront-Load Washer Smells Musty: How to Clean the Gasket & Keep Mold Away
Front-load washer smells musty or moldy? Here's how to clean the door gasket properly (including the folds) and stop the smell from coming back for good.
Symptom FixWasher Won't Drain? What to Check First (Front & Top Loaders)
Washer won't drain? Work the owner-accessible checks first — drain hose, standpipe fit, and the front-load filter — with brand and model guidance before any part.
Symptom FixWasher Won't Spin? What to Check First (Front & Top Loaders)
Washer won't spin? Check the load and level first, then the drain interlock and the lid/door lock — with brand and model guidance before any part.
Symptom FixWashing Machine Making Loud Noise? What Each Noise Means (and What to Check)
Washing machine making loud noise? Grinding, squealing, thumping, clicking, rattling — here's what each washer noise can mean and what to check first.
Symptom FixDryer Not Heating? Safe Checks for Electric, Gas & Heat-Pump Dryers
Dryer tumbles but won't heat? Start with the manufacturer's safe checks — breakers, gas valve, airflow and cycle settings — then know when it's a technician job. Electric, gas and heat-pump dryers differ.
Symptom FixFridge Not Cooling But Freezer Is Cold? 6 Causes and Fixes
Fridge warm but freezer cold? 6 real causes — evaporator fan motor, defrost system failure, dirty condenser coils and more — with DIY fixes.
Symptom FixDishwasher Not Draining: What to Check First
Dishwasher won't drain? Check the filter first, then the drain hose, air gap and disposal knockout — and know when the pump needs a technician.