Kenmore 79661553610 Dryer — Troubleshooting, Common Failures & How to Fix Them
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Understanding the Problem
This guide covers common problems owners see with a Kenmore model 79661553610 dryer (won’t start, won’t heat, noisy operation, poor tumbling, or takes too long to dry). The model is built on a common Kenmore/Whirlpool platform, so the same components and tests apply. Follow these diagnostic steps in order — each step narrows down the likely cause and often solves the problem without replacing parts. 1) Safety first: unplug the dryer (or shut off the breaker). For gas dryers, turn off the gas supply valve and disconnect only after ensuring the gas is off. 2) Verify symptoms and simple fixes: - Clean the lint screen and remove lint from the cabinet and vent hose. Restricted venting is the #1 cause of long dry times and overheating. - Make sure the dryer actually gets power: for electric dryers check the household breaker (two breakers) and the wall outlet for 240V; for gas dryers check that the gas valve is on and that the igniter glows when starting. 3) If the dryer won’t start (no drum movement, no hum): - Check the door switch for continuity with a multimeter. Replace if the switch shows no continuity when the door is closed. - Test the start switch and the thermal fuse (some models open the power circuit if the thermal fuse is blown). Locate and test the thermal fuse with a meter for continuity; replace if open. - Inspect the belt and motor: if you hear the motor trying to start or a humming but no spin, the belt may be broken or the motor seized. Remove the front or rear access panel, visually inspect the belt, and spin the motor shaft by hand to check for free rotation. 4) If the dryer runs but won’t heat (electric): - Confirm the dryer is receiving full line voltage at the terminal block (240V). If voltage is OK, test the thermal fuse, high-limit thermostat, cycling thermostat, and heating element for continuity. An open thermal fuse or open heating element are common causes. Replace the failed component. 5) If the dryer runs but won’t heat (gas): - Listen for the igniter glow during a heat cycle. If the igniter glows and then goes out without igniting, the gas valve coils may be weak. If the igniter never glows, replace it. Also check the thermal fuse and high‑limit thermostat. 6) Noisy dryer / poor tumbling: - Check drum rollers, rear and front glides, idler pulley, and motor bearings. Remove the drum and inspect rollers for wear and flat spots, replace worn rollers and idler pulley. Clean and lubricate drum glides if applicable. 7) Long dry times / overheating: - Clean venting from the dryer to the outside and the lint trap housing. Test the exhaust airflow with the dryer running — strong steady airflow is required. If airflow is restricted, check/replace the vent duct. Also test cycling thermostat and thermal fuse as they affect the heating cycle. 8) Electronics and controls: - If the dryer has intermittent faults or won’t accept settings, try a hard reset (unplug 1–5 minutes). If problems persist, test console harnesses and door switch connections. Replace the control board only after ruling out simpler parts. Practical repair steps (example: replace thermal fuse): a) Unplug dryer / shut off gas. b) Pull dryer away, remove back panel (or top/front depending on model). c) Locate thermal fuse on blower housing and disconnect wires; mark them if needed. d) Remove mounting screw and replace with exact replacement part. e) Reconnect wires, reassemble, restore power, test dryer. Safety note: Always disconnect electrical power before opening panels. For gas dryers, shut off the gas supply and follow local codes when working on gas lines. If you’re not comfortable working with gas or live mains voltage, hire a qualified technician.
Common Symptoms
Dryer won’t start; drum spins but no heat; takes very long to dry; dryer is noisy or vibrates; dryer trips breaker; intermittent thermal cut‑outs.
Common Causes
- Clogged lint screen or venting causing poor airflow and overheating
- Failed thermal fuse, high‑limit thermostat, or cycling thermostat
- Broken drum belt, worn rollers, or seized motor
- Electric heating element open or gas igniter / gas valve coils faulty
Popular Parts That Fix This Problem
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Helpful Repair Tip
To confirm a thermal fuse is bad, remove the wires and test for continuity with a multimeter — an open (infinite) reading indicates a blown fuse and it must be replaced (they do not reset).
Frequently Asked Questions
How can I tell whether my Kenmore 79661553610 is a gas or electric dryer?
Check the model tag (usually inside the door opening or on the back panel). If the power cord at the wall is a 3‑ or 4‑prong 240V cord, it’s electric. If there’s a flexible gas line connected to the dryer and a gas shutoff nearby, it’s a gas dryer. You can also look for a small gas valve and burner assembly behind the lower front panel—that indicates gas.
Where can I get the correct replacement parts and service manual for this model?
Use the exact model and serial number from the dryer’s data plate and search OEM parts sites (Sears PartsDirect, Whirlpool Parts, RepairClinic, PartSelect) or the manufacturer’s website. Download the tech sheet/service manual from those sites or from the sticker behind the top panel — it lists part numbers and wiring diagrams. Always cross‑reference part numbers before ordering because some components vary by production run.
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