Kenmore Dryer 79681182310 Repair Guide – Common Problems, Diagnostics & Parts
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Understanding the Problem
This guide covers the most common problems owners see on Kenmore dryer model 79681182310 — no heat, won't tumble, long drying cycles, unusual noises, and intermittent starts — and gives step‑by‑step diagnostic and repair actions. Follow the numbered steps below for each symptom; start with the simplest checks (power, vents, lint screen) and move to electrical tests if needed. Always unplug the dryer and turn off power at the breaker before working on it. 1) Dryer not heating or not getting hot enough 1. Verify basics: Confirm the dryer is on a 240V circuit (electric models). Check the household breaker(s) — dryers often use two breakers. For gas models, confirm the gas valve is open and the pilot/ignition lights. 2. Clean venting: Remove lint screen, vacuum lint from lint trap and accessible duct inlet. Disconnect the exhaust duct from the back of the dryer and run a quick test cycle — if heat returns, clean or replace the vent/duct to the outside. 3. Check the lint screen and cabinet airways: A clogged lint screen or blocked internal ducts reduces airflow and drying performance. 4. Test thermal fuse: Locate the thermal fuse (usually on the blower housing or near the heating cavity). With power disconnected, remove the fuse and test continuity with a multimeter. If open (no continuity) replace the fuse. Note: thermal fuses commonly fail when the vent is restricted — fix venting too. 5. Inspect heating element: Remove the rear panel, visually inspect the heating coil for breaks or burn spots. Test element terminals for continuity. Replace the element if open or visibly damaged. 6. Test thermostats/temperature sensors: Cycling thermostat and high‑limit thermostat can fail open. Test each for continuity; replace any that are open when cold. 7. For gas dryers: Check igniter (should glow then gas valve opens), gas coils/valve, and flame sensor. Use a multimeter to test coils for continuity and visually check the igniter for cracks. 8. Reassemble and test: After replacing failed parts and cleaning vents, run a timed cycle with a thermometer in the drum to confirm temperature. 2) Dryer won't tumble (drum won't turn) 1. Confirm the drum turns freely by hand with power off. If it turns freely, suspect motor or drive components. If it is hard to turn, inspect drum rollers and glides. 2. Inspect the drive belt: Remove the front or top panel per service instructions and check the belt for breaks or slippage. Replace a broken or stretched belt. 3. Check the idler pulley and drum rollers: Look for seized bearings, flat spots, or excessive wear. Replace worn rollers, pulley, or support glides. 4. Test the motor: If belt and rollers are good but the motor hums and won't start, the motor start winding or centrifugal switch may be bad. A motor that hums and trips thermal protector may need replacement. 5. Verify the door switch: Dryer will not start if the door switch is defective. Test switch for continuity when the door is closed; replace if open. 3) Loud noises or grinding 1. Identify noise source: Run the dryer empty and listen near the rear (bearings/rollers), front (glides), and underneath (blower wheel). Note if noise changes with load or rotation direction. 2. Replace worn drum rollers or bearings: Grinding or rumbling that changes with drum rotation often points to rollers or rear bearing. 3. Inspect blower wheel: A loose or cracked blower wheel can cause rattling; remove and inspect for debris and damage. Replace if cracked or loose on the motor shaft. 4. Replace idler pulley or motor if they show play, noise, or seized operation. 4) Long drying times, intermittent heating, or clothes come out damp 1. Clean lint filter and entire vent path. Restricted airflow is the most common cause of long drying times. 2. Check moisture sensors: Clean the sensor bars inside the drum with a mild abrasive pad—the sensors can be coated with fabric softener residue and give false readings. 3. Test heating components (thermal fuse, element, thermostats) as in section 1. 5) Dryer won't start or control issues 1. Check power: Verify the dryer has correct voltage and the door is fully latched. Test wall outlet with a voltmeter. 2. Test start switch and timer/control board: Use multimeter continuity checks on the start switch and, if equipped, push buttons. If there is no continuity when pressed, replace the switch. 3. Inspect wiring and connectors for burn marks or loose connections and repair as needed. Safety note: Always disconnect electrical power before opening the dryer. For gas models, shut off gas supply before servicing. Use a multimeter only if you are comfortable and competent; if not, call a qualified technician. Replace any failed safety devices (thermal fuses, high‑limit thermostats) — these protect against fire risk and must not be bypassed.
Common Symptoms
No heat or low heat, dryer won't tumble, loud rumbling or squealing, long drying cycles, dryer won't start, and intermittent operation.
Common Causes
- Restricted venting or clogged lint screen reducing airflow
- Failed thermal fuse, heating element, or thermostats
- Broken drum belt, seized idler pulley, or worn drum rollers
- Faulty motor, blower wheel, or door switch
- Igniter or gas valve failure on gas models
Popular Parts That Fix This Problem
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Helpful Repair Tip
Start with venting and the lint screen — poor airflow causes most heat and long‑dry problems. When you need to test electrical parts, remove the thermal fuse and heating element leads and check continuity with a multimeter: an open thermal fuse almost always means replacement.
Frequently Asked Questions
How do I know if I need a new thermal fuse or just need to clean the vent?
Check airflow first: remove the dryer vent at the back and run the dryer on a heat cycle; if heat returns and performance improves, clean or replace the vent and ducting. If airflow is good but there is still no heat, disconnect power and test the thermal fuse with a multimeter for continuity — an open fuse requires replacement. Remember a blown thermal fuse often indicates prior overheating due to vent blockage, so fix the venting before replacing the fuse.
Can I replace parts myself or should I call a technician?
You can replace non‑electronic parts like the drum belt, rollers, idler pulley, lint screen, and blower wheel if you're comfortable with basic hand tools and following a disassembly guide. For electrical tests (multimeter work), gas component checks (igniter/gas valve), or if the dryer uses complex electronic controls, consider calling a qualified technician. Always disconnect power (and gas) before servicing, and never bypass safety devices like thermal fuses.
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