Home Repair & Maintenance Guides
131 plain-English guides for the appliances and equipment in your home.
HVAC & Cooling 14 Water Heaters 9 Laundry 16 Kitchen & Cooking 40 Coffee & Small Appliances 17 Maintenance & Cleaning 32 General 3
HVAC & Cooling14
- AC Frozen Up — Why Your Air Conditioner Has Ice and How to Fix It Ice on your AC means airflow or refrigerant trouble. Turn it off to thaw, then fix the dirty filter,… 5 min
- Air Purifier Not Working or Weak Airflow — Fixes An air purifier with weak airflow or that won't run usually needs a filter change or a reset. Here's the… 3 min
- Dehumidifier Not Collecting Water — Why and How to Fix A dehumidifier that runs but stays dry usually has a dirty filter/coils, is in a too-cold room, or has a… 4 min
- Furnace Not Igniting / Blowing Cold Air — Fixes A furnace that won't ignite is often a dirty flame sensor, a clogged filter, a tripped switch, or a… 5 min
- Heat Pump Not Heating — Causes and Fixes A heat pump blowing cool air, iced over, or stuck in defrost has a few common causes. Here's what to check… 5 min
- How Often Should You Change Your HVAC / Furnace Filter? A basic 1-inch furnace filter should be changed every 1-3 months. Here is how often to change yours based… 4 min
- How to Clean a Mini-Split (Ductless AC) Yourself Mini-splits need their filters and blower cleaned regularly or they lose efficiency and smell musty. Here… 5 min
- Humidifier Not Producing Mist — Causes and Fixes A humidifier that won't mist usually has mineral buildup, a dirty/clogged wick, or a sensor issue. Here's… 4 min
- Portable Air Conditioner Not Cooling — Fixes A portable AC that runs but won't cool usually has a full drain tank, dirty filter, a bad exhaust hose… 4 min
- Space Heater Not Working or Not Heating — Fixes A space heater that won't run is often a tripped tip-over switch, an overheat cutoff, or an overloaded… 3 min
- Thermostat Blank Screen or Not Responding — Fixes A blank or unresponsive thermostat is usually dead batteries, a tripped float switch, a blown fuse, or a… 3 min
- Thermostat Not Turning On the AC — Troubleshooting If your AC won't kick on, check thermostat power, settings, the float switch, and breaker before assuming… 4 min
- Window AC Leaking Water Inside the House — Fixes A window unit dripping indoors is usually a tilt/leveling problem or a clogged drain. Here's how to stop… 4 min
- Window AC Not Cooling — Causes and Fixes A window air conditioner that runs but won't cool is usually a dirty filter, frozen coil, dirty coils, or… 5 min
Water Heaters9
- How to Flush a Water Heater (Step by Step) Flushing your water heater once a year removes sediment, restores efficiency, and extends its life. Here… 6 min
- Navien NPE Error Codes: What Each One Means Every error code in Navien's NPE tankless water heater manual, grouped by what it means, with the owner… 6 min
- No Hot Water? Troubleshooting Guide No hot water is usually a pilot light out (gas), a tripped breaker or failed element (electric), or a… 5 min
- Tankless Water Heater Not Igniting / No Hot Water A tankless that won't fire is often gas supply, venting, a clogged inlet filter, or an error code. Here's… 5 min
- Water Heater Leaking — What It Means and What to Do Where the leak is tells you everything. Drain valve and fittings are fixable; a leak from the bottom of… 5 min
- Water Heater Making Popping or Rumbling Noises Popping, rumbling, or banging from a water heater is almost always sediment. Flushing the tank usually… 3 min
- Water Heater Pilot Light Won't Stay Lit — Fixes A pilot that lights then goes out is usually a bad thermocouple, a dirty flame sensor, or a tripped… 5 min
- Water Softener Not Working (Hard Water Again) — Fixes Hard water returning usually means a salt bridge, no salt, or a clogged/stuck softener. Here's how to… 4 min
- What Temperature Should You Set Your Water Heater? The recommended water heater temperature is 120°F — hot enough to be safe and useful, cool enough to… 3 min
Laundry16
- Dryer Getting Too Hot — Causes and Fixes An overheating dryer is usually a clogged vent, a stuck thermostat, or a failed cycling thermostat. Here's… 4 min
- Dryer Not Spinning (Drum Won't Turn) — Causes and Fixes A dryer that heats but the drum won't turn usually has a broken belt, a failed idler pulley, or a bad drum… 4 min
- Dryer Runs But Doesn't Heat — Causes and Fixes No heat is usually a blown thermal fuse, a clogged vent, a failed heating element, or (electric) a… 5 min
- Dryer Smells Like Burning — Stop and Check This A burning smell from a dryer is a fire risk. It's usually lint buildup, but can be a belt, motor, or… 4 min
- Dryer Squeaking, Squealing, or Thumping — What's Worn Dryer noises point to specific worn parts: squeal = idler/belt, grinding = drum rollers, thump = glides or… 4 min
- Dryer Stops Mid-Cycle or Shuts Off Before Dry A dryer that quits partway is usually overheating from a clogged vent, a failing thermal fuse, or a worn… 4 min
- Dryer Takes Too Long to Dry Clothes — Fixes Long drying times are almost always a clogged vent or lint buildup choking airflow. Here's how to fix it… 4 min
- Dryer Won't Turn On — How to Fix It A completely dead dryer is usually power (breaker/outlet), a door switch, a thermal fuse, or the start… 4 min
- Front-Load Washer Door Won't Open — How to Fix It A locked washer door usually just needs the cycle to finish, water drained, or a few minutes to release.… 3 min
- Front-Load Washer Smells Musty — How to Fix It That mildew smell in a front-loader lives in the door gasket and detergent drawer. Clean them and change… 4 min
- Top-Load Washer Not Agitating — Causes and Fixes If the washer fills and drains but the agitator doesn't move clothes, it's usually worn agitator dogs, a… 4 min
- Washer Not Filling With Water — Causes and Fixes No fill usually means closed supply valves, clogged inlet screens, kinked hoses, or a bad water inlet… 4 min
- Washer Shaking, Banging, or Walking Across the Floor A violently shaking washer is usually an unbalanced load, an unlevel machine, leftover shipping bolts, or… 4 min
- Washer Won't Spin or Leaves Clothes Soaking Wet A washer that won't spin is usually an unbalanced load, a drain problem, a lid switch, or a worn belt.… 5 min
- Washing Machine Leaking Water — Find the Source A leaking washer is usually a hose, the door seal, an overflow from too much detergent, or the pump.… 5 min
- Washing Machine Won't Drain — Causes and How to Fix It A washer that won't drain is almost always a clogged pump filter, blocked drain hose, or failed drain… 6 min
Kitchen & Cooking40
- Dishwasher Beeping or Lights Flashing — What It Means A beeping or blinking dishwasher is signaling an error — often a leak, drain, or interrupted cycle. Here's… 3 min
- Dishwasher Leaking From the Bottom of the Door A door leak is usually a worn door gasket, a clogged filter overfilling, too much suds, or a failing door… 4 min
- Dishwasher Leaving White Film or Spots on Dishes Cloudy film and spots are hard-water minerals or no rinse aid. Here's how to get spotless dishes — and… 4 min
- Dishwasher Not Cleaning Dishes Well — How to Fix It Dirty dishes after a wash usually mean clogged spray arms, a dirty filter, cold water, or bad loading.… 5 min
- Dishwasher Not Draining — How to Fix Standing Water Standing water in your dishwasher is usually a clogged filter, drain hose, air gap, or a garbage-disposal… 6 min
- Dishwasher Not Drying Dishes — How to Fix It Wet dishes usually mean no rinse aid, heated-dry off, or unloading top-first. Here's how to get dry dishes… 4 min
- Dishwasher Not Filling With Water — Causes and Fixes No water in the dishwasher usually means a closed supply valve, a clogged or failed inlet valve, or a… 4 min
- Dishwasher Soap Door Not Opening / Detergent Left Behind Undissolved detergent or a closed soap door usually means a blocked dispenser, a wax-motor fault, or low… 3 min
- Dishwasher Won't Start — How to Fix It A dead dishwasher is usually the door latch, a control-lock setting, a tripped breaker, or a stuck… 4 min
- Electric Stove Burner Not Working — Causes and Fixes One dead electric burner is usually the element or its socket. Here's how to test by swapping and what to… 4 min
- Freezer Not Freezing — Troubleshooting Guide A freezer that won't freeze usually has dirty coils, a frosted evaporator, a failed fan, or bad door… 5 min
- Garbage Disposal Humming or Jammed — How to Fix It A disposal that hums but won't spin is jammed. Here is how to safely free it with the hex wrench and reset… 4 min
- Garbage Disposal Leaking — Where and How to Fix It A leaking disposal leaks from the top flange, the side hoses, or the bottom. Top and side are fixable;… 4 min
- Gas Stove Burner Won't Light — How to Fix It A gas burner that clicks but won't light is usually a clogged burner port or a wet/misaligned igniter.… 4 min
- How to Clean and Freshen a Smelly Garbage Disposal A stinky disposal has gunk on the splash guard and grind chamber. Clean it with ice, salt, and citrus —… 3 min
- How to Replace a Garbage Disposal (DIY) Replacing a garbage disposal is a manageable DIY job in about an hour. Here's the step-by-step, from… 6 min
- How to Replace an Oven Bake Element A burned-out bake element is a 15-minute DIY fix. Here's how to safely remove and replace an electric oven… 4 min
- How to Reset a Refrigerator (After a Power Outage or Glitch) Resetting a fridge can clear glitches, error codes, and demo mode. Here's how to power-cycle it and reset… 3 min
- How to Test an Oven Temperature Sensor (RTD) Most oven F2, F3, F4, F10, and F30 codes trace to the oven temperature sensor. Here's how to test the RTD… 5 min
- Ice Maker Leaking or Overflowing — Causes and Fixes An ice maker that leaks or overfills is usually a water inlet valve, an unlevel fridge, or a high… 4 min
- Induction Cooktop Not Working or Not Heating — Fixes An induction cooktop that won't heat is often the wrong cookware, an error code, or a power issue. Here's… 4 min
- Microwave Runs But Doesn't Heat — What to Check A microwave that runs but won't heat usually has a blown high-voltage fuse, a failed magnetron, or a bad… 4 min
- Microwave Sparking or Arcing Inside — Causes Sparks inside a microwave are usually metal, a burnt waveguide cover, or a damaged rack. Here's what's… 4 min
- Microwave Tripping the Breaker — Causes A microwave that trips the breaker is usually an overloaded circuit, a failing magnetron, or a shorted… 3 min
- Microwave Turntable Not Turning — Fixes A stuck turntable is usually a misaligned plate, debris in the track, or a failed turntable motor. Here's… 3 min
- Oven Door Won't Close (or Stay Closed) — Fixes An oven door that won't close right is usually bent hinges, a worn gasket, or a stuck self-clean latch.… 3 min
- Oven Light Not Working — How to Replace the Bulb A dead oven light is almost always just a burnt-out bulb. Here's how to safely replace it with the right… 2 min
- Oven Not Heating or Not Reaching Temperature A gas oven that won't heat usually has a weak igniter; an electric oven, a failed bake element. Here's how… 5 min
- Oven Temperature Is Off — How to Calibrate It If your oven runs hot or cold, test it with a thermometer and use the calibration offset. Here's how — and… 4 min
- Range Hood / Vent Fan Not Working or Weak A weak or dead range hood is usually a greasy filter, a failed fan motor, or a wiring/switch issue. Here's… 4 min
- Range Hood Light Not Working — Quick Fix A dead range hood light is usually just a burnt-out bulb. Here's how to find the right replacement and… 2 min
- Refrigerator Door Not Sealing — How to Fix the Gasket A fridge door that won't seal wastes energy and causes frost. Clean or replace the gasket — here's how to… 4 min
- Refrigerator Freezing Food in the Fresh-Food Section Food freezing in the fridge usually means the temp is set too low, a stuck damper, or items placed on the… 4 min
- Refrigerator Ice Maker Not Working — Causes and Fixes No ice usually means a frozen fill tube, a closed water valve, a clogged filter, or freezer temp too high.… 5 min
- Refrigerator Leaking Water on the Floor — Causes and Fixes Water on the floor by your fridge is usually a clogged defrost drain or a frozen/leaking water line.… 5 min
- Refrigerator Making Noise — What Each Sound Means Buzzing, humming, knocking, or clicking from a fridge points to specific parts. Here's how to decode the… 4 min
- Refrigerator Not Cooling — Troubleshooting Guide A fridge that's warm but running usually points to dirty condenser coils, a frosted-over evaporator, a… 7 min
- Refrigerator Running Constantly — Why and How to Fix It A fridge that never shuts off usually has dirty coils, bad door seals, blocked vents, or a too-low temp… 4 min
- Refrigerator Water Dispenser Not Working No water from the door usually means a clogged filter, a frozen line, low water pressure, or a failed… 4 min
- Wine Cooler / Mini Fridge Not Cooling — Fixes A wine fridge that won't cool is often a hot room, dirty coils, poor ventilation, or a failed… 4 min
Coffee & Small Appliances17
- Air Fryer Not Turning On or Not Heating An air fryer that won't start usually has the basket not seated (safety switch), an overheat shutoff, or a… 3 min
- Blender Not Working or Not Spinning — Fixes A blender that hums but won't spin usually has a stuck blade or a worn drive coupling. Here's how to fix it. 3 min
- Electric Kettle Not Working or Not Heating — Fixes A kettle that won't heat or shuts off early is usually limescale, a bad base connection, or the… 3 min
- Food Processor Not Turning On — Fixes A food processor that won't start almost always has the lid or bowl not locked into the safety interlock.… 3 min
- How to Clean a Clogged Keurig Needle A Keurig brewing short cups or grounds in your coffee usually has a clogged needle. Here's how to clear… 3 min
- How to Clean a Coffee Maker With Vinegar Descale a drip coffee maker with a vinegar-water mix every month or two to remove mineral buildup, speed… 3 min
- How to Clean and Descale a Breville Espresso Machine Keep your Breville pulling great shots: daily backflush, weekly group cleaning, and descaling when the… 5 min
- How to Descale a Keurig (and Fix a Keurig That Won't Brew) Descale your Keurig every 3 months to clear mineral buildup. Here is the full descaling process and how to… 4 min
- How to Descale a Nespresso Machine Descale your Nespresso every 3 months to clear scale and keep good crema. Here's how to enter descaling… 4 min
- Instant Pot Says "Burn" or Won't Come to Pressure The "Burn" warning means food stuck to the bottom or too little liquid. "Won't seal" is usually the ring… 5 min
- Keurig Won't Turn On — Quick Fixes A dead Keurig is usually a power/outlet issue or a glitch that a hard reset clears. Here's the 2-minute fix. 3 min
- Rice Cooker Not Working or Not Cooking — Fixes A rice cooker that won't cook or shuts off early usually has a warped pot, a dirty thermal sensor, or a… 3 min
- Slow Cooker / Crock-Pot Not Heating — Fixes A slow cooker that won't heat is usually a power/outlet issue or a failed heating element. Here's what to… 3 min
- Stand Mixer Not Working or Slipping — Fixes A KitchenAid-style mixer that won't run, slips, or leaks grease usually needs a worn gear, beater height… 4 min
- Toaster Not Working (Won't Stay Down or Won't Heat) A toaster that won't latch down or heat is usually a power issue, a stuck mechanism, or end of life.… 3 min
- Vacuum Losing Suction — How to Fix It Weak vacuum suction is almost always a full bin, a dirty filter, or a clog. Here's how to restore full… 4 min
- Vacuum Not Turning On — Causes and Fixes A dead vacuum is usually a thermal cutoff from overheating, a tripped outlet, a bad cord, or a dead… 3 min
Maintenance & Cleaning32
- Air Conditioner Not Cooling — DIY Checklist Before You Call AC running but not cooling? Work through this checklist — thermostat, filter, breaker, frozen coil, dirty… 5 min
- Bathroom Exhaust Fan Not Working or Noisy — Fixes A bathroom fan that's weak, noisy, or dead is usually dust buildup, a worn motor, or a wiring/switch… 4 min
- Bosch Refrigerator Water Filter Guide (UltraClarity BORPLFTR10 & More) Find the right Bosch fridge water filter — UltraClarity Pro (BORPLFTR10), the newer BORPLFTR50 (part… 4 min
- Frigidaire Refrigerator Water Filter Guide (PureSource WF3CB & More) Find the right Frigidaire water filter — PureSource 3 (WF3CB), PureSource 2 (WF2CB), PureSource Ultra… 4 min
- GE Refrigerator Water Filter Guide (MWF, XWF & More) Find the right GE fridge water filter — MWF, XWF, XWFE, or GSWF — including which GE/Profile/Cafe models… 4 min
- Home Appliance Maintenance Schedule (What to Do and When) A simple checklist of what to clean and service on every home appliance, and how often, to make them last… 5 min
- How to Clean a Coffee Grinder (Burr or Blade) Old coffee oils go rancid and clog a grinder. Here's how to clean burr and blade grinders for… 3 min
- How to Clean a Dishwasher Filter (And Why Your Dishes Aren't Clean) A clogged dishwasher filter is the #1 reason dishes come out gritty or filmy and the dishwasher smells.… 4 min
- How to Clean a Dryer Vent (and Why It Matters) A clogged dryer vent causes long dry times, overheating, and fires. Clean it once a year with a vent brush… 5 min
- How to Clean a Glass Stovetop (Burnt-On Spots and All) Clean a glass cooktop streak-free with baking soda and a razor scraper. Here's the method for burnt-on… 4 min
- How to Clean a Greasy Range Hood Filter A grease-clogged range hood filter kills airflow and is a fire risk. Here's the… 4 min
- How to Clean a Microwave (Steam Method) The easiest way to clean a microwave: steam it with water and lemon, then wipe. Burnt food and smells come… 3 min
- How to Clean a Portable Air Conditioner (Filter, Coils & Tank) A portable AC that smells musty, cools weakly, or fills with water needs cleaning. Here's how to wash the… 5 min
- How to Clean a Smelly Dishwasher A stinky dishwasher is trapped food in the filter and gunk in the spray arms and seals. Clean it in 20… 4 min
- How to Clean a Washing Machine (Top and Front Load) Run a monthly tub-clean cycle with washer cleaner or vinegar, and wipe the dispensers and seal. Keeps the… 4 min
- How to Clean a Window Air Conditioner (Filter, Coils & Drain) A dirty window AC cools poorly, smells musty, and runs up your bill. Here's how to clean the filter,… 5 min
- How to Clean an Air Fryer (Including the Heating Element) Clean the basket after every use and the heating element when it smokes. Here's the right way to clean an… 3 min
- How to Clean an Ice Maker (Slime, Mold, and Bad-Tasting Ice) Bad-tasting or smelly ice means it's time to clean the ice maker. Here's how to clean the bin, mold, and… 3 min
- How to Clean an Oven (Without Harsh Fumes) Skip the self-clean stress. A baking-soda paste left overnight lifts baked-on grime safely. Here's the… 5 min
- How to Clean Oven Glass (Including Between the Panes) Clean baked-on oven glass with a baking-soda paste. For streaks between the glass, here's how to reach… 4 min
- How to Clean Refrigerator Condenser Coils Dirty condenser coils make your fridge run hot, cool poorly, and die early. Clean them twice a year in 15… 4 min
- How to Clean Stainless Steel Appliances (No Streaks) Clean stainless the right way: with the grain, using the right product, and a microfiber cloth. Here's how… 3 min
- How to Defrost a Freezer (Fast and Safely) Frost buildup wastes space and energy. Here's how to defrost a manual or chest freezer quickly without… 4 min
- How to Replace a Refrigerator Water Filter Change your fridge water filter every 6 months for clean water and good ice flow. Here's how to find,… 3 min
- Kenmore Refrigerator Water Filter Guide (9081, 9083, 9690 & Cross-Refs) Find the right Kenmore fridge water filter — 9081, 9083, or 9690 — and learn why Kenmore filters often… 4 min
- LG Refrigerator Water Filter Guide (LT1000P, LT800P & More) Find the right LG fridge water filter — LT1000P, LT800P, LT700P, or LT500P — including Kenmore cross-fits,… 4 min
- Refrigerator Ice Maker Not Making Ice — Causes & Fix No ice? The usual causes are a clogged water filter, a frozen fill tube, a closed water valve, freezer… 5 min
- Refrigerator Water Dispenser Slow or Not Working — Fixes Slow or dead fridge water dispenser? The top cause is a clogged water filter, then a frozen line, low… 5 min
- Refrigerator Water Filter Finder — Which Filter Fits My Fridge? A quick cross-reference to find the right water filter for your refrigerator by brand — Whirlpool,… 5 min
- Refrigerator Water Tastes Bad or Smells — Causes & Fix Bad-tasting or smelly fridge water is almost always an old water filter. Here's how to confirm it, plus… 4 min
- Samsung Refrigerator Water Filter Guide (DA29-00020B & More) Find the right Samsung fridge water filter — DA29-00020B (HAF-CIN), DA29-00003G, or HAF-QIN — plus OEM vs… 4 min
- Whirlpool Refrigerator Water Filter Guide (EveryDrop Filter 1-4) Find the right Whirlpool water filter — EveryDrop Filter 1, 2, 3, or 4 — for your Whirlpool, Maytag,… 4 min
General3
- Appliance Tech Sheet: What It Is and Where to Find It What a Whirlpool, Maytag, KitchenAid or Amana tech sheet contains, where older appliances keep the paper… 4 min
- How to Find Your Appliance's Owner's Manual by Model Number Where the model number is, and where Whirlpool, Maytag, KitchenAid, Amana, GE, LG, Samsung, Bosch,… 5 min
- Repair vs Replace: When Is an Appliance Worth Fixing? Use the 50% rule and typical appliance lifespans to decide. Here's how long appliances last and when… 5 min
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