Samsung Dryer Error Codes: Complete 2026 Guide

Electric vs. Gas Samsung Dryers: Which Codes Apply

Samsung sells both electric (240V) and gas models under the DV series. The majority of error codes — door faults, communication errors, button errors, frequency errors, and sensor faults — appear identically on both types. The key difference involves heating codes:

• HC / HE (overheating): Applies to both electric and gas models. On a gas dryer HC usually points to a vent restriction; on an electric dryer it can also indicate a shorted heating element running at full power.
• tC / tE (thermistor): Appears on both, but the thermistor location differs — on gas models it typically sits near the burner assembly; on electric models it is near the heating element housing.
• 9C1 / 9E (voltage): Specific to electric 240V models. Gas dryers only require 120V and the 9C1 code on a gas model usually indicates a problem with that single 120V circuit rather than a missing leg.

All Samsung DV model numbers beginning with DV are electric; models with a G designation (e.g., DV25BB6900HG) are gas. The WashTower units (DVG/DVE combined units), FlexDry, and heat-pump models follow the same code vocabulary.

Power-Cycle Reset: Do This Before Anything Else

Samsung dryer control boards can generate error codes from power-line transients, brief brownouts, and one-time sensor anomalies. A proper power-cycle reset clears these without any part replacement — and also tells you with certainty whether the fault is real: if the code returns immediately in a fresh test cycle, the underlying hardware has failed.

1. Press the Power button to stop any active cycle.
2. Unplug the dryer from the wall outlet, or flip the dedicated circuit breaker to the OFF position.
3. Wait a full 5 minutes. This allows the main control board's capacitors to discharge completely — 30-second resets often leave residual charge that re-triggers the same code.
4. Restore power, select a short Timed Dry cycle (10–15 minutes), and press Start.
5. If the same code appears within the first few minutes of that test cycle, proceed to the relevant diagnostic section below.

HC / HE — Overheating: The Most Common Samsung Dryer Code

What it means: The exhaust temperature sensor detected air temperatures above the safe threshold — typically 120–130 °F at the exhaust outlet — indicating that heat is building up inside the drum instead of being carried out through the duct. Samsung displays this as HC on most DV series panels; older models and some international variants show HE.

Why it matters: This is the one Samsung dryer code that carries a genuine fire-risk dimension. The U.S. Fire Administration reports roughly 2,900 residential dryer fires annually, with 34% attributed to failure to clean the vent system. HC is the machine's warning that it is heading toward those conditions.

Diagnostic sequence (work through in order):

1. Clean the lint screen. Pull the screen, rinse it under hot water to clear any fabric-softener film that air cannot pass through, and let it dry. A wet lint screen has near-zero airflow — this step alone resolves HC in a meaningful percentage of service calls.
2. Inspect the full exhaust duct. Disconnect the flexible duct from the back of the dryer and check for kinks, crushing, or lint accumulation. The total duct run should be as short as practical — Samsung's installation guidelines allow a maximum straight-run equivalent of about 15–25 feet depending on the number of elbows, with each 90° elbow counting as approximately 5 feet of equivalent length. Clean the duct with a dryer vent brush kit ($15–$25) if lint is present.
3. Check the outdoor vent flap. A stuck, bird-nested, or flap-restricted exterior termination cap can block airflow completely even with a clean duct. The flap should open freely during operation and close fully when the dryer stops.
4. Test the high-limit thermostat. If the duct is clear and HC persists, the high-limit thermostat — a normally-closed thermal safety switch — may have tripped or failed open. Test with a multimeter set to continuity: a functional high-limit thermostat should show continuity (closed circuit) at room temperature. An open reading means the thermostat has tripped; on Samsung dryers this part typically costs $10–$25 and is accessible from the back panel.
5. Inspect the heating element (electric models). A shorted heating element can run at full power regardless of thermostat state. Test for continuity on both element terminals and check for continuity between either terminal and the element housing (ground) — any terminal-to-ground continuity indicates a shorted element that must be replaced ($55–$80).

tC / tE — Thermistor and Temperature Sensor Faults

tC and tE both involve the thermistor — the NTC (negative temperature coefficient) resistor that provides continuous temperature data to the main control board. The codes differ slightly:

• tC (Thermal Cutout): The high-limit thermostat or thermal cutoff fuse has tripped, opening the circuit. This usually follows an overheating event — if you just had an HC code and the dryer shut down, tC is the secondary fault confirming the safety device opened. The dryer will not heat again until the thermal cutoff is replaced (it is a one-shot fuse, not resettable).
• tE (Thermistor Error): The thermistor is reporting a temperature outside its plausible operating range, or it has lost continuity entirely. The board raises tE when the sensor reads below −13 °F or above 320 °F — both physically impossible under normal operation, indicating a failed sensor rather than an actual temperature.

Diagnosing tC / tE:

1. Power-cycle reset (5 minutes). A tC from a one-time voltage transient will clear; a genuine blown thermal cutoff will not.
2. Locate the thermistor — on most Samsung front-load DV dryers it sits inside the exhaust duct housing, accessible by removing the back panel (six to eight screws). On WashTower units, it is behind the control panel housing.
3. Disconnect the thermistor harness connector and measure resistance with a multimeter set to kΩ. A healthy Samsung thermistor reads approximately 10–50 kΩ at 68 °F (20 °C). An open reading (OL on the meter) means the sensor has failed.
4. If the thermistor checks out but tE persists, inspect the wiring harness from the sensor to the control board for pinched or chafed insulation — a partial short can cause intermittent tE codes.

Replacement thermistors for Samsung dryers cost $15–$40 as OEM or aftermarket parts. If tC indicates a blown thermal cutoff fuse, always replace the high-limit thermostat at the same time ($10–$25 combined kit) and investigate what caused the original overheating to prevent the new fuse from blowing again immediately.

dC / dE / dF — Door Errors

Samsung uses a family of door-related codes to indicate different door-locking failure modes:

• dC / dE — Door not detected as closed. The dryer's door switch or strike sensor cannot confirm the door is properly latched. The dryer will refuse to start any cycle until this is resolved.
• dF — Door lock failure. The door reached the latched position but the lock solenoid could not confirm engagement. Less common than dC/dE; typically indicates a failed lock assembly rather than a simple alignment issue.

Step-by-step for dC / dE:

1. Open and firmly close the door — push until you hear a clear click. On DV series front-loaders the door striker is a plastic hook that wears over time; if the door feels loose when closed, the striker may need replacement ($10–$20).
2. Inspect the door gasket seal. Clothing or debris trapped in the seal prevents the door from seating flush against the tub opening, which prevents the strike from reaching the latch. Remove any obstruction and close again.
3. Check the door switch wiring harness. The harness runs from the door switch (mounted in the dryer cabinet, not in the door itself) to the control board. Pull the connector at the board end and inspect the pins for corrosion or a pushed-back pin.
4. Test the door switch with a multimeter set to continuity. With the door open, the switch should read open; with the door closed (depress the striker manually with a finger), it should read closed. A switch that reads open in both states has failed — replacements cost $15–$35.

9C1 / 9E / 9E1 / 9E2 — Voltage Abnormality

These codes indicate the control board detected a supply voltage outside the acceptable range for safe operation. Samsung electric dryers require 240V ± 10% (216–264V) across both legs, with each leg providing approximately 120V. Gas dryers require 120V ± 10%.

• 9C1 / 9E1: Voltage too low — a single 120V leg has dropped or disappeared (most common on electric dryers). This typically means one pole of the double-pole breaker has tripped while the other remains on, resulting in 120V reaching the dryer instead of 240V. The drum motor runs on 120V (so the dryer appears to turn on and tumble), but the heating element requires the full 240V and will not heat.
• 9E2: Voltage too high — the supply exceeded the safe upper limit. Rare under normal household conditions; can occur after utility events or if the dryer is connected to the wrong circuit.
• 9E: Generic voltage fault on older models that do not sub-classify high vs. low.

Diagnostic steps:

1. Open the breaker panel and locate the 30A double-pole breaker for the dryer. If either pole shows a middle (tripped) position, push both poles fully to OFF, then firmly to ON together.
2. Test the outlet with a voltmeter: measure L1 to L2 (should read ~240V), L1 to neutral, and L2 to neutral (both ~120V). A reading of ~120V across L1–L2 confirms a lost leg.
3. If the breaker and outlet test correctly (~240V), inspect the dryer's power cord terminal block connections — a loose connection at the block can cause intermittent 9C1 codes, especially after the dryer was recently moved.
4. If all supply voltages are correct and 9C1 persists, the main control board's voltage-sensing circuit has failed. Board replacement for DV series models typically costs $120–$280 depending on model vintage.

AC / AE / Et — Communication Errors

Samsung dryers use an internal serial bus to allow the main control board, display panel, and (on Wi-Fi enabled models) the wireless module to communicate. When a device on this bus stops responding, communication-fault codes appear:

• AC / AE: The main board lost communication with the display/UI panel or with a secondary sub-board. Often caused by a loose ribbon cable or harness connector rather than a failed board.
• Et: An internal communication error within the main board's firmware — essentially the board's self-test detected an inconsistency in its own logic. This is the most likely of the three to clear with a proper 5-minute power-cycle reset.

Diagnosing AC / AE: Unplug the dryer, remove the top panel (usually two screws at the rear, slide the panel back), and locate the ribbon cable connecting the control panel to the main board. Firmly reseat both ends. If AE returns after reseating, swap the UI panel ($50–$120) before condemning the main board — UI panels fail more commonly than main boards and cost significantly less.

bE / bE2 / bC2 / 6E / 6E2 / 6C2 — Stuck or Shorted Button

Samsung displays a bE (or 6E on some panel variants — the same code, different display character mapping) code when it detects that one of the control panel buttons is continuously asserted — either mechanically stuck or electrically shorted on the membrane panel circuit.

Fix sequence:

1. Press every button on the control panel firmly and release — a button that is sticky from spilled liquid or debris may free itself with a firm press. Dry any moisture around the buttons with a soft cloth.
2. If bE clears after pressing buttons but recurs within a few loads, the membrane panel has a damaged trace that shorts intermittently under thermal expansion. Panel replacement typically costs $40–$90.
3. If bE is present immediately on power-up and no button is visibly stuck, the sub-PCB behind the control panel has a failed solder joint or shorted component. At this stage both the UI panel and the sub-board behind it should be inspected.

bE2 / bC2 / 6E2 / 6C2 are sub-variants indicating a specific button index within the panel matrix. The diagnostic approach is the same.

OD — Over-Dry / Moisture Sensor

OD means the dryer's moisture sensor detected that the laundry was already dry (zero or near-zero moisture) from the moment the cycle started — or the sensor itself is too contaminated to read moisture accurately. The dryer stops early rather than running a full cycle.

Inside the drum, two parallel stainless-steel sensor bars are mounted just below the lint screen opening. As damp clothes tumble past them, they complete a low-voltage circuit; the board interprets the conductivity as a moisture reading. Fabric softener sheets and dryer sheet residue form an insulating film on these bars over time, causing the sensor to under-read moisture and show OD even on damp loads.

Fix:

1. Locate the two sensor bars — shiny strips approximately 1.5 inches long, visible just inside the drum below the lint screen.
2. Wipe both bars with a cloth lightly dampened with rubbing alcohol (isopropyl alcohol), then dry with a clean cloth. Fine 0000 steel wool also works if oxidation is visible on the bar surface.
3. Run a test load of damp towels. If the cycle completes correctly, the sensor was dirty.
4. If OD persists after cleaning, test sensor bar continuity — each bar should read close-circuit (continuity) when a damp cloth touches both bars simultaneously. If one bar shows no continuity, the sensor assembly or its wiring has failed. Replacement sensor bar assemblies cost $20–$45.

FC / FE — Power Frequency Error

FC (and the alternate display variant FE) indicate the main board detected an AC line frequency outside its acceptable range. North American Samsung dryers are calibrated for 60 Hz ± a few Hz. Under normal household conditions this code is rare — grid frequency in the US and Canada is tightly regulated to 60 Hz.

FC appears most commonly in two scenarios: (1) the dryer is connected to a generator running at a non-standard frequency, or (2) the dryer was imported or purchased for a market with 50 Hz power (e.g., Korea, Europe) and is being used on 60 Hz North American supply, or vice versa. FC can also be triggered by a failing main board whose frequency-sensing circuit has become inaccurate.

If FC appears on a dryer that was previously operating normally on the same outlet: try a 5-minute power cycle. If FC persists on household power with a unit that previously worked, the main control board requires replacement.

Full Samsung Dryer Error Code Reference Table

DIY vs. Call a Tech: Decision Matrix

Most Samsung dryer error codes are DIY-resolvable. Use this matrix to decide:

Repair vs. Replace Math for Samsung Dryers

The industry benchmark for appliance repair decisions is the 50% rule: if the repair cost exceeds 50% of the cost of a comparable new unit, replacement is usually the better economic choice — especially if the machine is past the midpoint of its expected lifespan.

Samsung electric dryers have an average lifespan of 13 years with regular maintenance (per the National Association of Home Builders appliance lifespan data). Gas models average 13 years as well. Use those figures alongside the cost table below:

Before authorizing a main board replacement on a dryer over 10 years old, price a comparable replacement unit. Entry-level Samsung DV series electric dryers start around $700–$850; a $400 board repair on a 12-year-old machine may not be worthwhile when the drum bearing, blower wheel, and motor are also at the end of their service lives.

If you need to establish your dryer's manufacture date to frame the repair-or-replace decision, the serial number encoded on the label inside the door frame will give you the exact production date. The Samsung serial number decoder guide walks through the position-by-position format, or you can run any Samsung appliance serial directly through ApplianceIQ's serial decoder.

Samsung Dryer Error Codes in Context

Understanding a Samsung dryer error code is one part of the repair picture. The other parts are knowing the machine's age and whether a recall applies to your model — both of which change the economics significantly.

• Age: The manufacture date is encoded in the serial number. Use the ApplianceIQ serial decoder or see the Samsung decoder guide for the exact character positions.
• Recall status: Before spending money on a repair, confirm the model is not subject to an open safety recall. Samsung has issued recalls on specific washer and dryer models in past years. Run your model number through ApplianceIQ's recall check or the CPSC recalls database.
• Warranty: Samsung's standard limited warranty on DV series dryers is 1 year parts and labor on the entire unit, plus an extended 5-year limited warranty on the drum. If your machine is under 5 years old and the drum is the failed component, the repair may be fully covered. Call Samsung Support (1-800-726-7864) with your model and serial before paying for any parts.

For the full cross-brand error code picture — including Samsung washer error codes and Samsung refrigerator error codes — see the Samsung washer error codes guide, the Samsung refrigerator error codes guide, and the Samsung dishwasher error codes guide.

Verify Age, Recalls, and Warranty in One Lookup

If you have a Samsung dryer showing an error code and you want to know the exact manufacture date, whether your model number is under any open recall, or whether the repair would be covered under warranty — ApplianceIQ can surface all of that from a single model number lookup. The free tier includes 25 lookups per month, no credit card required.

Check your Samsung dryer on ApplianceIQ →