The **1tC5** display on a Samsung dryer points to **temperature / temperature-sensor error**. Treat it as a diagnostic direction rather than a parts order: operating conditions, wiring, sensors, actuators, and control electronics can overlap. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **1tC5**. Search normalization stores it as **1TC5** while preserving the characters a homeowner actually sees.
Reviewed by Ethan Mercer · Last reviewed August 17, 2026
Written by
Ethan Mercer Appliance Repair Content SpecialistPublished August 17, 2026Updated August 22, 2026Technically reviewed August 17, 2026
Content status:
Verified
Error code1TC5
ApplianceDryer
Quick answer
Temperature / temperature-sensor error.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so 1TC5 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
The **1tC5** display on a Samsung dryer points to **temperature / temperature-sensor error**. Treat it as a diagnostic direction rather than a parts order: operating conditions, wiring, sensors, actuators, and control electronics can overlap. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **1tC5**. Search normalization stores it as **1TC5** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
The 1tC5 display becomes more meaningful if the control may stop or limit operation because a temperature reading is missing or implausible.
A symptom that fits 1tC5 is that heating, cooling, drying, or defrost behavior can become inconsistent.
A symptom that fits 1tC5 is that the display can return at a similar stage each time the affected sensor is checked.
The 1tC5 display becomes more meaningful if 1tC5 appears and drying may pause or performance may change because of temperature / temperature-sensor error.
When the 1tC5 condition is present, heat, airflow, motor, drainage, door, or sensor behavior can be affected depending on the code family.
Why it happens
Possible causes
varies by model/region — cross-region baseline — Temperature / temperature-sensor error
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
The next non-invasive check is to record when the code appears and whether the appliance had just heated, cooled, or defrosted.
Before requesting service for 1tC5, confirm vents, doors, filters, and ambient conditions are normal where they affect the sensor reading.
Before requesting service for 1tC5, use the exact model manual before assuming the sensor itself is defective.
The next non-invasive check is to record the code and whether the dryer is vented or heat-pump/ventless.
A safe owner-level check is to clean/inspect lint filter, heat exchanger, water tank/drain, and external vent only when relevant.
Before opening any service area, stop repeated resets if the code returns; model-specific electrical/refrigeration diagnosis can be required.
Important safety warning. When working around a dryer that shows 1tC5, keep the checks external and non-invasive. Stop for burning smell, smoke, gas odor, repeated breaker trips, or abnormal overheating. Do not bypass thermal protection.
Get help
When to request repair service
Persistent temperature-sensor codes usually require resistance/connection checks at the sensor, harness, and control—work best done with the model-specific service procedure. If 1tC5 keeps returning, record the stage at which it reappears so the technician can test the temperature / temperature-sensor error path instead of replacing parts by guesswork.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Resetting can clear a temporary state, not a persistent issue. If **1tC5** comes back, preserve the code and move to the safe checks or model-specific service path.
Continue only if the appliance is otherwise safe and the owner-level checks are appropriate. Stop for leakage near electrical parts, smoke, burning odor, arcing, gas concerns, repeated breaker trips, uncontrolled heating, or unsafe temperatures.
Not automatically. Samsung error codes are diagnostic indicators, not part numbers. Confirm the circuit around **1tC5** before replacing anything.
The same-looking code can be reused on another Samsung appliance family or reformatted by region/model year. Match the appliance type and exact model before applying a meaning. This page therefore keeps **Dryer 1tC5** separate from same-looking codes used by other Samsung appliance families.
