Samsung DV42H5000 Heating Element – What Part Fixes This Problem?
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Understanding the Problem
The heating element (heating coil assembly) in the Samsung DV42H5000 produces the heat that dries your clothes. When it fails the dryer will tumble but produce little or no heat, or will take extremely long to dry. Commonly a broken coil, open circuit, or an associated safety device (thermal fuse or high-limit thermostat) is the cause. Below are practical diagnostic and repair steps you can follow. 1) Confirm the symptoms - Run a timed cycle with wet towels. Note whether the drum tumbles normally and whether any heat is produced after a few minutes. Also check whether the dryer trips a breaker or blows a fuse. 2) Check airflow and lint traps first - Clean the lint screen and remove any visible lint from the drum. Disconnect and inspect the vent hose and exterior vent for blockages — restricted airflow can mimic a heating failure. 3) Verify power to the dryer (electric models) - With a voltmeter, check the terminal block where the power cord connects. You should see ~240 VAC between the two hot legs (or two separate 120 VAC legs to neutral on a 3-wire cord). If only one hot leg is present, the house breaker or outlet wiring is the problem. 4) Access the heating element assembly - Unplug the dryer (or switch off the appropriate breaker). Move the dryer away from the wall. On most DV42-series dryers you remove the rear access panel (some submodels require front or lower panel removal). Take photos and label wires before disconnecting. 5) Visual inspection - Look at the element coil for obvious breaks, burn marks, or melted areas. Inspect the element housing and terminals for corrosion or burned connectors. 6) Test the heating element for continuity - Set a multimeter to ohms (Ω). With power disconnected and wires removed from the element terminals, measure across the element terminals. A good element typically shows a low resistance (single- to low-double-digit ohms depending on model). An infinite/open reading (OL) means the element is broken and must be replaced. 7) Check related safety components - Test the thermal fuse and high-limit thermostat(s) for continuity. A blown thermal fuse is a very common reason for no heat even if the element is good. Replace any fuse or thermostat that shows open. 8) Replace the heating element assembly (if open/damaged) - Obtain the OEM heating element assembly (commonly sold as part DC47-00007A for many Samsung models—confirm fit for your exact DV42H5000 model suffix). - Steps: power off → remove rear access panel → disconnect and note wires → remove screws/clips securing the element housing → slide out the assembly → install new assembly in reverse order → reconnect wires using photos/labels to ensure correct terminals → reattach panel. 9) Reassemble and test - Reconnect power, run the dryer on a heat cycle, and measure for expected heat within 3–5 minutes. Also confirm exhaust airflow is strong and consistent. 10) If you still have no heat after replacing the element - Re-check terminal block voltage under load, re-test thermal fuse and thermostats, and inspect the control board or heating relay (rare). If unsure, call a qualified technician. Safety note: Always disconnect power before working inside the dryer. If you are not comfortable working with mains voltage or testing with a multimeter, hire a professional. Wear gloves to avoid sharp edges, and take pictures before disconnecting wires so you can reconnect everything correctly.
Common Symptoms
Dryer tumbles but produces no heat; very low heat; takes very long to dry; breaker trips when dryer runs (if element shorted).
Common Causes
- Open or burned-out heating element coil
- Blown thermal fuse or failed high-limit thermostat
- Restricted exhaust/ventilation causing overheating and shutdown
- Missing leg of supply voltage or wiring/terminal block failure
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 ProsourceParts.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
Before buying a replacement, remove the access panel and test the element with a multimeter—an infinite/open reading confirms the element is bad. Also note the dryer model full suffix (DV42H5000 + two-letter suffix) to ensure the correct OEM part fit.
Frequently Asked Questions
How do I test the heating element on my DV42H5000?
Unplug the dryer, remove the rear access panel, disconnect the wires from the element terminals, and set a multimeter to ohms. Measure across the two element terminals; a reading of infinite/OL means the element is open and needs replacing. A low-resistance reading (single- to low-double-digit ohms) indicates the element itself is likely good—if there's still no heat, test the thermal fuse and thermostats next.
Can I replace the heating element myself and how long will it take?
Yes—if you are comfortable turning off power, using basic hand tools, and working carefully, you can replace the element yourself. Typical time is 45–90 minutes depending on your experience and how accessible the assembly is. Always disconnect power first, photograph wire locations, and double-check part compatibility with your exact DV42H5000 model suffix. If you are unsure about electrical testing or find a wiring/power issue, call a qualified repair technician.
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