Samsung Dryer Not Heating or Shutting Off Mid-Cycle? High-Limit Thermostat DC47-00018A — Fix No-Heat & Overheating Fast

A Samsung dryer that produces no heat, shuts off before the cycle ends, or repeatedly overheats almost always has a failed high-limit thermostat. In most Samsung dryers, the DC47-00018A high-limit thermostat monitors drum temperature and cuts power to the heating element if temperatures exceed safe limits — typically 260–300°F (127–149°C). When it fails or trips due to restricted airflow, the heating circuit is permanently interrupted and the dryer stops heating entirely. ⚡ One of the most common no-heat failure points in Samsung dryers. Part DC47-00018A is the genuine OEM replacement that restores full heating circuit protection and normal dryer operation.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

• ✔ Dryer powers on and drum tumbles normally
• ✔ Thermal fuse has been tested and confirmed OK (or replaced)
• ✔ Heating element tests within spec on a multimeter
• ✔ Exhaust duct and lint trap are clear of blockage
• ✔ ONLY problem is no heat or mid-cycle shutoff with no other fault codes

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

• Dryer produces no heat — drum tumbles but clothes stay wet
• Dryer shuts off before the cycle completes
• Dryer overheats or runs excessively hot
• Samsung error codes related to heating circuit
• Clothes still damp after a full cycle
• Heating element cycles on and off erratically

✔ If these symptoms match, this is the most likely failed component in the system.

✔ In most cases, replacing this thermostat restores normal heating immediately.

📦 Part Details

• Part Number: DC47-00018A
• Type: High-Limit Safety Thermostat (non-resettable bimetal disc) — no modification required
• Replaces: WP35001092, 35001092, 503497, AP4201898, AP6008682, PS4205217, DC47-00018AXP (aftermarket cross-reference)
• Brands: Samsung

🛠️ Buying Options

• OEM / New — Genuine Samsung DC47-00018A. Factory-original part, OEM specifications and warranty backing.
• XPart / New — Premium aftermarket thermostat engineered to meet or exceed OEM specs. Not affiliated with or endorsed by Samsung.
• OEM / Used — Tested OEM thermostat pulled from a working appliance. Budget option for older dryers.
• XPart / Used — Tested aftermarket thermostat at the lowest price point. Suitable for temporary or low-priority repairs.

⚙️ Installation Notes

Skill Level: Easy — 15–20 minutes. Disconnect power to the dryer before beginning any repair. Access the thermostat by removing the back panel or lower front panel depending on your model — it is typically mounted on the heating element housing or exhaust duct. Disconnect the two wire terminals and remove the mounting screw(s), install the new thermostat, and reconnect terminals (polarity does not matter). Before reassembling, inspect and clear the exhaust duct and lint trap to prevent repeat failure. Restore power and run a test cycle to confirm heating is restored.

💡 Pro Tip

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