If a Samsung AirDresser shows **tC8**, the verified Samsung meaning in this research set is **evaporator-out thermistor resistance too low/high**. Use the code to narrow the diagnosis, then confirm the exact model because code scope can change by product generation or region. Samsung appliances monitor whether a function reaches an expected state within a certain sequence. When that check fails, the control can store or display a code even though the root cause may sit elsewhere in the same circuit. The recorded display form is **tC8**. Search normalization stores it as **TC8** 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 codeTC8
ApplianceAirDresser
Quick answer
Evaporator-out thermistor resistance too low/high.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so TC8 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
If a Samsung AirDresser shows **tC8**, the verified Samsung meaning in this research set is **evaporator-out thermistor resistance too low/high**. Use the code to narrow the diagnosis, then confirm the exact model because code scope can change by product generation or region. Samsung appliances monitor whether a function reaches an expected state within a certain sequence. When that check fails, the control can store or display a code even though the root cause may sit elsewhere in the same circuit. The recorded display form is **tC8**. Search normalization stores it as **TC8** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
tC8 can be accompanied by this pattern: the control can stop or limit operation because a temperature reading is missing or implausible.
When the tC8 condition is present, heating, cooling, drying, or defrost behavior can become inconsistent.
The tC8 display becomes more meaningful if the display can return at a similar stage each time the affected sensor is checked.
On affected Samsung AirDresser models, tC8 appears and the AirDresser can pause the cycle or disable the subsystem associated with evaporator-out thermistor resistance too low/high.
Why it happens
Possible causes
varies by model — official regional/current support — Evaporator-out thermistor resistance too low/high
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
For tC8, start by doing this: record when the code appears and whether the appliance had just heated, cooled, or defrosted.
A safe owner-level check is to confirm vents, doors, filters, and ambient conditions are normal where they affect the sensor reading.
The next non-invasive check is to use the exact model manual before assuming the sensor itself is defective.
With tC8 recorded, record the exact code and full model number.
For tC8, start by doing this: verify refill/drain tanks, door closure, and owner-accessible items only when relevant to the code.
The next non-invasive check is to for component/thermistor/compressor/communication codes, avoid internal disassembly and request service if the code remains.
Important safety warning. When working around an AirDresser that shows tC8, keep the checks external and non-invasive. Disconnect power and stop for leakage near electrical parts, burning smell, or repeated electrical issues. Steam, compressor, and internal electrical systems require model-specific service.
Get help
When to request repair service
If the owner-accessible checks do not clear tC8, Persistent temperature-sensor codes usually require resistance/connection checks at the sensor, harness, and control—work best done with the model-specific service procedure. The repair should confirm the monitored function and its feedback before any board or component is condemned.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Evaporator-out thermistor resistance too low/high.
Resetting can clear a temporary state, not a persistent issue. If **tC8** comes back, preserve the code and move to the safe checks or model-specific service path.
That depends on the accompanying symptom. A code with no safety hazard may allow a short diagnostic check, but **tC8** should not be ignored if performance is deteriorating or the display keeps returning.
The code alone is not enough to justify a part. **tC8** should narrow testing to the affected function; the final cause still has to be verified on the exact model.
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 **AirDresser tC8** separate from same-looking codes used by other Samsung appliance families.
