Dryer Won't Start
A dryer that won't start up points to power, the door switch, a fuse, the belt or the motor.
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When a dryer won't start, it shows one of three pictures: a dead panel with no lights at all, a panel that wakes up while the drum stays still after you press Start, or a hum with no tumbling. Note which one you have, because each leads to a different group of parts.
Power comes first: a tripped breaker or a plug pulled loose stops everything. After that, the control has to see the door closed and the start switch pressed, and on some models a thermal fuse or a belt switch must be closed as well. The checks below cover the parts you can safely look at yourself.
Dryer Won't Start: common causes
- No power at the outlet — A tripped breaker, a plug that came loose when the dryer was moved, or a blown fuse in an older fuse box leaves the dryer completely dead.
- Door switch failed — The dryer refuses to run unless this switch confirms the door is shut, so a broken switch or a cracked door strike stops it even with the door closed.
- Start switch or control fault — A worn push-to-start switch, a failed timer or a control board fault can leave the panel lit while nothing happens at Start.
- Thermal fuse blown — On models that wire the thermal fuse into the motor circuit, a fuse that opened from overheating keeps the dryer from starting at all until it is replaced and the airflow is fixed.
- Broken belt with a belt switch — Some dryers have a switch on the idler arm that keeps the motor off once the belt breaks, so a snapped belt can look like a dead dryer.
- Drive motor not starting — A motor with a failed start switch or worn bearings, or one pushing against a jammed drum, hums for a moment and then trips its own overload.
Signs to look for
- No lights and no sound — Power is not reaching the dryer or its control, so look at the breaker, the plug and the cord first. On some models a blown thermal fuse or a failed control board does the same.
- The panel wakes up, but the start button has no effect — The door switch, the start button, a control lock or a delay setting.
- A hum or buzz while the drum stays still — The motor is pushing against a jammed drum or a seized roller, or its start switch has failed.
- It stopped mid-cycle and won't restart — If it runs again after cooling, the motor overload probably tripped. If it stays dead, a thermal fuse may have opened from overheating.
Checks you can do safely before you call
- Reset the breaker and seat the plug. Electric dryers use a double breaker, gas dryers a standard one. Open only the small door over the breakers, leave the screwed-on cover in place and switch the dryer's breaker off, touching only its handle. Check the plug and outlet: if either is scorched, melted or loose in the wall, leave the breaker off. If both look clean, push the plug firmly in, then switch the breaker back on. Move a gas dryer only a short distance to reach its plug.
- Check the door strike. With the dryer unplugged or its breaker off, look at the small tab or catch on the door that presses the switch. If it is bent or broken, the dryer can't tell the door is shut.
- Look for a lock or a delay. Electronic dryers can have a control or child lock, and some have a delay timer; either one makes the panel ignore Start. The lock symbol, and the button to hold to release it, are shown on the panel or in the manual.
- Press Start the way your model expects. Some dryers need Start held for a moment, and on a dial model the knob has to sit on a drying cycle, not between settings.
- Stop if it hums. A hum or buzz with no drum movement means the motor is stalled. Turn the dryer off and unplug it right away, because a stalled motor heats up fast.
When to call a technician
- Breaker on, plug seated, and the dryer is still completely dead.
- The breaker trips again as soon as you press Start.
- The panel lights but nothing happens, with no lock or delay set.
- It hums without turning, or the empty drum spins by hand with no drag, which can mean a broken belt.
- It stopped partway through a load and stays dead after cooling; dryer overheating explains what blows the fuse.
What happens at the diagnostic visit
At the visit, voltage is confirmed at the outlet and the terminal block before the technician tests the door switch, the start switch, the thermal fuse, the belt and any belt switch, the motor and its start circuit, and the timer or control. If a fuse has blown, the thermostats and the airflow are checked too, to find what made it blow.
The diagnostic visit is $89 for a standard residential appliance and $129 for a built-in unit or commercial equipment; a premium brand on its own doesn't make an appliance built-in. You approve the price before any part goes in. Read more about gas and electric models on our dryer repair page, with dryer visits from the Santa Clarita Valley down into Los Angeles.
Brand and model notes
- Kenmore, Whirlpool and Maytag: on Whirlpool-built dryers, including Kenmore models whose number starts with 110, the thermal fuse on the blower housing can stop the dryer from starting at all, not just cut the heat. See Kenmore, Whirlpool and Maytag.
- GE: a blown thermal fuse can also leave a GE dryer dead rather than cold, so a GE that quits after a long, hot load needs both the fuse and the airflow checked. See GE.
- Samsung and LG: a child lock on these electronic panels leaves the display lit while the buttons do nothing, and a delay timer, where the model has one, holds the start. See Samsung and LG.
- Frigidaire: some models carry a belt switch at the idler, so a broken belt keeps the motor from running. See Frigidaire.
Book a diagnostic visit
$89 standard residential · $129 built-in or commercial. We identify the issue, explain your options and give you an upfront quote before any repair work begins.
21 Google reviews · Same-day appointments may be available · Licensed & insured · Upfront pricing — no hidden fees
Dryer Won't Start: questions and answers
Why won't my dryer start even though the display lights up?
When the panel has power but the drum never turns, the control is waiting on something: the door switch, the start switch, a control lock or a delay timer. On some models a blown thermal fuse or an open belt switch also keeps the motor off while the display stays on.
What does it mean when my dryer hums but won't start?
Power reaches the motor, but the motor can't spin the drum. A jammed drum, a seized roller or idler, or a failed start switch inside the motor can cause it. Unplug the dryer rather than letting it hum, because a stalled motor heats up quickly and can trip its overload or burn out.
Can a blown thermal fuse stop a dryer from starting?
Yes, on dryers that wire the fuse into the motor circuit; on others it cuts only the heat. The fuse is a one-time part that opens when exhaust air gets too hot, so replacing it without fixing the cause, such as a restricted duct or a stuck thermostat, leads to another blown fuse. Never bypass it.
Is it safe to reset the dryer breaker myself?
Yes, if you open just the hinged panel door, touch nothing but the breaker lever and keep the inner screwed-on cover where it is. Stay away from a panel that is damp, hot or smells of burning. If it trips again when the dryer starts, leave it off and call, because that points to a short in the dryer, the cord or the outlet.
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21 Google reviews · Same-day appointments may be available · Licensed & insured · Upfront pricing — no hidden fees