Samsung DV45H7000EW/A2 Dryer Not Heating – What Part Fixes This?
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Understanding the Problem
If your Samsung DV45H7000EW/A2 tumbles but doesn't produce heat, the cause is usually in the dryer’s heating circuit or an airflow/safety device that has opened. Electric dryers generate heat through a heating element and rely on fuses/thermostats and good airflow; when any of those fail or the vent is clogged, drying stops or becomes extremely slow. Start with simple checks: confirm the dryer is getting full 240V (two hot legs) at the terminal block, verify the lint screen and venting are clear, and listen for normal motor operation. From there you can test components that commonly fail: the thermal fuse, heating element assembly, thermostats (cycling and high-limit), and the main control/relay that powers the element. Replace the failed part only after confirming with basic electrical tests or continuity checks.
Common Symptoms
Drum tumbles but clothes remain damp after a full cycle; long drying times; sometimes a faint or no heat felt at the vent. Breaker trips or no power to control can be a separate symptom if there's a supply issue.
Common Causes
- Blown thermal fuse (safety device opens when overheating or airflow restricted)
- Open heating element assembly (broken coil or burned connection)
- Faulty thermostats or temperature sensors (cycling thermostat or high-limit thermostat)
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at PartsDiscount.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
First, check the lint screen and vent path. Then, with the dryer unplugged, test the thermal fuse and heating element for continuity with a multimeter — a blown thermal fuse or an open heating element are the two most common causes.
Frequently Asked Questions
How do I test the thermal fuse and heating element safely?
Unplug the dryer first. Remove the rear panel (or access panel) per the service manual to access the thermal fuse and heating element. Set a multimeter to continuity or lowest ohms range. Test the thermal fuse for continuity — an open reading (OL) means it’s blown and must be replaced. For the heating element, check for continuity across the element terminals; an open reading indicates a broken element. Also inspect the element for visible breaks or burn spots and check the element housing for short to ground.
Can I fix this myself and how much will parts cost?
Many of these checks and part replacements can be done by a competent DIYer with basic tools and a multimeter. Thermal fuses and thermostats are inexpensive (often $10–$40); heating element assemblies typically run $30–$120 depending on brand. If the issue is the main control board the cost is higher ($150–$350). If you’re uncomfortable testing live voltage (checking for 240V at the terminal block) or disassembling panels, hire a qualified technician. Always disconnect power before working on the dryer and verify replacement parts match your exact model (DV45H7000EW/A2).
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