Samsung Microwave code **E-02** is associated with **microwave cooking-time setting over error**. The display identifies the system or condition the control detected, but it does not by itself prove which individual part should be replaced. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **E-02**. Search normalization stores it as **E02** 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 codeE02
ApplianceMicrowave
Quick answer
Microwave cooking-time setting over error.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so E02 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
Samsung Microwave code **E-02** is associated with **microwave cooking-time setting over error**. The display identifies the system or condition the control detected, but it does not by itself prove which individual part should be replaced. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **E-02**. Search normalization stores it as **E02** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
A symptom that fits E-02 is that the appliance can stop or limit the affected function when the code is detected.
A symptom that fits E-02 is that the same code can return at a repeatable stage of operation.
E-02 can be accompanied by this pattern: other symptoms depend on the model and the subsystem named by Samsung.
E-02 can be accompanied by this pattern: e-02 appears and the microwave can stop or limit the function associated with microwave cooking-time setting over error.
Why it happens
Possible causes
varies by model/region — cross-region baseline — Microwave cooking-time setting over 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.
Before requesting service for E-02, record the exact code, model number, and operating stage before resetting power.
Before requesting service for E-02, complete only the owner-accessible checks described in the model manual.
For E-02, start by doing this: do not replace parts solely from a display code when wiring, conditions, or control feedback can create the same result.
For E-02, start by doing this: record the exact code and model number.
For E-02, start by doing this: power the microwave off for 60 seconds only if Samsung's model guidance allows a reset.
Before requesting service for E-02, do not remove the outer cabinet or access internal high-voltage components.
Important safety warning. When working around a microwave that shows E-02, keep the checks external and non-invasive. Do not remove the microwave outer cabinet. High-voltage components can retain dangerous energy even after the appliance is unplugged.
Get help
When to request repair service
If the owner-accessible checks do not clear E-02, If the code returns after the documented basic checks, request model-specific diagnosis of the affected subsystem. 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.
One controlled restart is reasonable after correcting an obvious external issue. A recurring **E-02** display should be treated as diagnostic evidence, not as a reason to keep rebooting the appliance.
Do not keep operating the appliance through a hazardous symptom just to see whether **E-02** clears. If there is heat, water, electrical, gas, or food-safety risk, stop and arrange diagnosis.
Not automatically. Samsung error codes are diagnostic indicators, not part numbers. Confirm the circuit around **E-02** 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 **Microwave E-02** separate from same-looking codes used by other Samsung appliance families.