Match your symptom to narrow down the likely cause before calling us.
These checks are safe for homeowners. Do not attempt to open sealed refrigerant systems, touch electrical components behind access panels, or work on gas lines — always call a licensed technician for those.
The dryer door switch is a safety interlock — the motor will not run without it confirming the door is closed. Open and close the door firmly until you hear a click. If the latch is broken or the switch doesn't click, the dryer may appear dead or start briefly then cut off. This is one of the first things a tech will check.
Electric dryers use a 240V circuit with two 120V legs. If one leg trips, the motor may run (on 120V) but the drum drive and heating element won't function. Check your panel for a tripped dryer breaker — look for breakers in the "middle" position, not fully on or off.
Turn the dryer on and listen carefully for 10 seconds. If you hear a motor hum with no drum movement, it's likely a belt or idler pulley. If there's no sound at all, it's likely a door switch, thermal fuse, or control board issue. The sound (or silence) tells a tech a lot before they even open the machine.
The clearest sign is a dryer that hums or sounds like it's running, but the drum doesn't rotate. You can also open the door and try to spin the drum by hand — if it spins with zero resistance (like it's floating), the belt is broken. A properly tensioned belt makes the drum slightly resistant when you push it by hand.
The motor will run, but the drum won't spin — making it completely useless for drying clothes. Leaving the dryer running with a broken belt isn't dangerous in itself, but the motor runs with no load which can cause it to overheat over time. Turn it off and schedule repair.
Dryer drive belts typically last 8–12 years depending on use frequency, load sizes, and heat levels. Higher heat settings and large loads put more strain on the belt. If your dryer is in that age range and the belt snaps, it's a good time to have the idler pulley and drum slides inspected as well — they wear on the same timeline.
Dryer drive belt replacement in Charlotte typically runs $100–$190 including parts and labor. If the idler pulley is replaced at the same time (recommended), add $30–$60. HomeHeroes stocks common dryer belts on the truck for same-day repair.
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