For the Samsung Refrigerator families covered by the source set, **24C** means **freezer defrost heater error**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. 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 **24C**. Search normalization stores it as **24C** 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 code24C
ApplianceRefrigerator
Quick answer
Freezer defrost heater error.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so 24C 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
For the Samsung Refrigerator families covered by the source set, **24C** means **freezer defrost heater error**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. 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 **24C**. Search normalization stores it as **24C** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
Depending on the exact model, heating may be weak, absent, excessive, or stop unexpectedly.
24C can be accompanied by this pattern: the appliance can pause when the control detects an unsafe or implausible temperature condition.
Depending on the exact model, drying, washing, cooking, or defrost performance may change depending on the appliance.
24C can be accompanied by this pattern: 24C appears and the refrigerator may show behavior related to freezer defrost heater error.
A symptom that fits 24C is that cooling, airflow, ice-making, defrost, or temperature performance may become intermittent depending on the affected subsystem.
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Before opening any service area, confirm the selected cycle or cooking mode is supposed to use heat.
For 24C, start by doing this: verify airflow, vents, filters, water supply, or door closure when those conditions affect temperature.
Before opening any service area, allow the appliance to cool before any owner-accessible inspection.
For 24C, start by doing this: do not open energized high-voltage or heating sections.
Before requesting service for 24C, photograph the code before resetting or unplugging the refrigerator.
The next non-invasive check is to verify doors, visible airflow/ice obstructions, water/ice-bin seating, or demo mode only when relevant.
Important safety warning. Safety takes priority over clearing 24C. Protect food if temperatures are no longer safe. Do not open the sealed refrigeration system or energized inverter/compressor circuits.
Get help
When to request repair service
If the owner-accessible checks do not clear 24C, A returning heating/over-temperature code after external checks requires model-specific testing of sensors, heaters/ignition, relays, wiring, airflow, or control electronics. 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.
Resetting can clear a temporary state, not a persistent issue. If **24C** 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 **24C** 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 **Refrigerator 24C** separate from same-looking codes used by other Samsung appliance families.
References
Sources & references
Samsung Canada internal RF32FMQDBSR/AA service error-code pages (support-cacyber.samsung.com)
