--- title: "Five checks before you call for dryer repair" description: "The breaker, the door and control lock, the lint screen, the vent hood outside and the gas valve, in about fifteen minutes with no tools." url: "https://dryerrepair.center/guides/five-checks-before-you-call/" date_modified: "2026-09-25" --- Troubleshooting # Five checks before you call for dryer repair Useful dryer troubleshooting before you call covers five things: power at the panel and plug, the door and control lock, the lint screen and its slot, the vent hood outside, and the gas valve or cycle setting. None needs tools or an open cabinet, and each answer tells the technician where to begin. By [DryerRepair.center technical team](https://dryerrepair.center/authors/technical-team/) Published September 25, 2026 ## At a glance. A good share of dryer visits could be shorter, and some unnecessary, after fifteen minutes spent on the things an owner can reach safely. These five checks go in the order a technician would take them. Read the whole guide ### Time needed About fifteen minutes No tools, and no panel comes off. ### Most skipped The vent hood outside It is out of sight, often behind shrubs, and it governs how the whole dryer performs. ### Where checking ends The cabinet panels Behind them are live wiring and, on gas models, the burner. In this guide 1. Check 1: power at the panel and the plug 2. Check 2: the door, the lock and the start button 3. Check 3: the lint screen and its slot 4. Check 4: the vent cap outside 5. Check 5: the gas valve and the cycle 6. Step by step 7. Questions ## Check 1: power at the panel and the plug Dryer troubleshooting starts with power, and a completely dead dryer, with no lights, no sound and no movement, starts at the panel. Electric dryers use a double 240-volt breaker on their own circuit, while gas dryers plug into an ordinary 120-volt outlet, usually behind the machine. Switch the dryer breaker fully off and back on, and on a gas model make sure the cord was not pulled half out of the wall the last time the dryer moved. Partial power has signs of its own, and they matter because they point at the supply rather than at the dryer: - The panel lights up and the drum turns, but no heat arrives. - The motor hums without turning the drum. - The display flickers or resets when the dryer starts. ### Where the plug is on each type On a stacked pair the outlets usually sit high on the wall behind the stack; a single-unit laundry center normally has one cord for the whole cabinet. Compact ventless dryers vary, and some run on 120 volts while others need 240, so the electrical page of the manual is the place to confirm what yours expects. Source: [Whirlpool — Dryer is not heating](https://producthelp.whirlpool.com/Laundry/Dryers/Product_Info/Dryer_Product_Assistance/Dryer_is_Not_Heating) — Electric dryers use a 30-amp, 240-volt circuit on two breakers; the gas valve is open when its handle is parallel to the pipe; Air Only adds no heat ## Check 2: the door, the lock and the start button Every dryer refuses to run with its door switch open. Shut the door with a normal push and pay attention to the click; a door that springs back, or has to be held shut to run, has a worn catch or strike. On electronic models, look for a lit padlock or control-lock light. A lock set by accident blocks every button, and the manual gives the button combination that releases it. Some dryers want the start button held for a moment rather than tapped, and a delay-start left on makes the dryer look dead until its countdown ends. - The door shuts with a clear click and stays closed - No lock, delay or remote-start indicator is lit - The cycle and heat level are the ones you meant to pick A hand resetting a double breaker in a home electrical panel, a laundry room out of focus beyond. ## Check 3: the lint screen and its slot Pull the screen, clear it, and shine a flashlight down the slot it came from. Lint packed below the screen, or a sock pushed down into the housing, chokes the air just as badly as a full screen does. The longer version of this check, including washing the mesh and the duct behind the dryer, is in our guide to clearing the lint path. ### Where the screen sits Many full-size dryers slide the screen out of the cabinet top; others hold it inside the door opening along the bottom rim, which is also where most stacked and compact dryers put it. Condenser and heat-pump models often add a second filter in front of the condenser. ## Check 4: the vent cap outside Walk outside while a heated cycle is running. Follow the direction the duct leaves the laundry room to find the hood; its flap or louvers should be open, with warm air pushing out. CPSC recommends exactly this check, looking at the outside vent while the dryer is operating, and says that if exhaust is not escaping, the vent or duct may be blocked. Nests, lint caked on the flap and louvers painted shut are the usual findings. Note what you saw, even if you cleared it, because a hood that clogs quickly says something about the duct behind it. ### If the dryer has no outside vent Heat-pump and condenser dryers do not send air outdoors at all. ENERGY STAR explains that the water they pull from the load either runs to a drain or fills a holding tank, so for them this check becomes the tank, the drain hose and the condenser filter. Source: [CPSC — Overheated clothes dryers can cause fires (Pub. 5022)](https://www.cpsc.gov/s3fs-public/5022.pdf) — Check the outside vent while the dryer runs; no exhaust means the vent or duct may be blocked; [ENERGY STAR — Clothes dryers](https://www.energystar.gov/products/clothes_dryers) — Heat pump dryers need no exterior vent; their condensed water is drained or held in a tank ## Check 5: the gas valve and the cycle On a gas dryer, find the quarter-turn valve where the gas line meets the flexible connector behind the machine; Whirlpool treats it as open when the handle runs along the pipe rather than across it. Do not turn anything, and leave the house, if you smell gas. On any dryer, confirm that the selected cycle adds heat at all, because air-only settings never do. While you are at the door opening, write down the model number and anything the display showed. With those five answers and the model, a technician arrives knowing which parts are likely rather than starting from nothing. Keep the answers in the order you made the checks. It sounds fussy, but a note that reads breaker reset, door clicks, screen clean, weak flow at the hood already points the visit at the vent rather than at the heater. Source: [Whirlpool — Dryer is not heating](https://producthelp.whirlpool.com/Laundry/Dryers/Product_Info/Dryer_Product_Assistance/Dryer_is_Not_Heating) — Electric dryers use a 30-amp, 240-volt circuit on two breakers; the gas valve is open when its handle is parallel to the pipe; Air Only adds no heat ## Where to stop Everything above stays outside the cabinet. Stop before removing any panel, testing with a meter or pulling a gas dryer far enough to strain its connector, and at the first smell of gas, leave the building and ring the gas utility from the street or a neighbor's house. A breaker that trips a second time is not something to keep resetting; leave it off and book. Written by [DryerRepair.center technical team](https://dryerrepair.center/authors/technical-team/). The dryer technicians who handle the service appointments requested through this site. What they write starts with machines they have opened in laundry rooms and is set beside the manufacturer's installation and use instructions whenever those are available. Sources: [CPSC — Overheated clothes dryers can cause fires (Pub. 5022)](https://www.cpsc.gov/s3fs-public/5022.pdf) · [Whirlpool — Dryer is not heating](https://producthelp.whirlpool.com/Laundry/Dryers/Product_Info/Dryer_Product_Assistance/Dryer_is_Not_Heating) · [ENERGY STAR — Clothes dryers](https://www.energystar.gov/products/clothes_dryers) ## Step by step. Five steps, in the order worth doing them. 01 ### Reset the breaker Dryer breaker fully off, then on; on a gas model, confirm the plug is seated. 02 ### Close the door and clear locks Listen for the catch and look for a lit lock or delay indicator. 03 ### Clear the screen and slot Empty the screen and look down the housing with a flashlight. 04 ### Look at the hood outdoors With the dryer on heat, the flap should be open and the flow strong and warm. 05 ### Confirm gas and cycle Valve handle in line with the pipe, and a cycle that uses heat. For the heart of your home. ## Questions owners ask. ### What should I tell the technician after these checks? The model number, gas or electric, which checks you made and what each showed, and how the problem began: after a move, gradually over weeks, or all at once partway through drying. ### Can a dryer be reset like a computer? Many electronic dryers clear a passing glitch after their power has been off at the breaker for a minute or two. If the problem returns on the next load, the reset only hid it for a while. ### Is the vent worth checking if the dryer will not start at all? Rarely for a dryer with no power. Whenever heat, drying time or a hot cabinet is part of the story, though, the hood is one of the first places to look. ### How often is it worth running through these checks? Whenever the dryer changes how it behaves: longer loads, a new noise, a cold drum or a stop partway through. Between problems, the lint screen every load and a look at the hood now and then do most of the work. ## The problems behind it. Each has a page of its own: what it usually means and the causes in the order worth checking. [All 17 problems](https://dryerrepair.center/problems/) Problem ### Dryer Not Starting 5 causes, cheapest first Problem ### Dryer Not Turning On 5 causes, cheapest first Problem ### Dryer Not Heating 6 causes, cheapest first Problem ### Dryer Vent Clogged 5 causes, cheapest first Problem ### Dryer Control Panel Not Responding 5 causes, cheapest first ## When it needs a technician. The repairs on the right are where this guide ends when the checks do not settle it. ### Diagnostic visit One visit that turns damp clothes, a silent drum or a hot smell into a named part and a price. ### Door switch and latch repair A dryer that ignores the start button with its door shut, or a door that will not stay closed, fixed at the switch, catch or hinge. ### Vent cleaning and inspection The visit that prevents most dryer fires and many of the repairs above it: the duct, the hood and the lint inside the cabinet. ### Controls and sensors A blank display, a panel that ignores buttons, codes, or cycles that end too soon or never end, traced to the board, timer or sensors. ## More in troubleshooting. The checks you can make on your own dryer, and the point where going further stops being a good idea. [The whole section](https://dryerrepair.center/guides/troubleshooting/) What an owner can safely check ### Clean the lint path first: screen, duct and hood How to clear and wash the screen, reach the slot below it, open the duct behind the dryer and check the hood, and where to stop. What an owner can safely check ### Find your dryer's model number The label hides inside the door opening, behind a water tank or on the door of a stacked unit, and it unlocks the manual, the parts and any recall. Guides ### All 18 guides Six sections, by what you are trying to find out. --- **[Read on the site: Five checks before you call for dryer repair](https://dryerrepair.center/guides/five-checks-before-you-call/)** **[Book a visit with DryerRepair.center](https://dryerrepair.center/schedule/)**