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Quick answer
Samsung’s official materials identify NE58K9850WS as a Flex Duo slide-in electric range with two oven compartments, but they do not confirm that “arcing relay” is a user-verified fault or define a relay test. Treat any reported arc, crackle, burning odor, smoke, heat or breaker event as a stop-use warning: do not reproduce it, open the control area or probe the range. Record what was visible from a safe position, confirm the exact model/serial label, and use Samsung service or a qualified appliance/electrical professional. Samsung’s separate knob notice includes NE58K9850WS/AA for accidental knob activation; that notice must not be confused with a relay-arcing diagnosis.
Before you begin
Safety first
- Do not open the control area, probe wiring, remove the range, replace a relay, bypass protection, use hidden service modes or deliberately reproduce arcing. If smoke or fire is present, leave the area and use emergency help from a safe location.
Work through in order
Diagnostic checks
Use only checks that match the exact appliance or system and its official guide.
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Check 1
Confirm the external identity from the range label and record the full model suffix, serial number and the time/context of the report. Do not remove panels, pull the range out or open the control area to look for a relay.
Expected result: The label confirms NE58K9850WS/AA or another suffix, or the suffix/serial is unreadable.
Next step: Use the exact model/serial for Samsung service. If the identity is unreadable, do not infer a variant or part from the title.
Why this matters
Why: Samsung’s exact support and safety notices are model/serial dependent. A label confirms identity, but it does not confirm that a relay arced.
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Check 2
Keep the range unused and observe only from a safe distance whether there was a visible flash, crackle, smoke, burning odor, unusual heat, shock/tingle or a breaker event. Do not cycle the oven or cooktop to reproduce the report.
Expected result: One or more electrical warning signs occurred, or the only evidence is that an oven/cooktop function stopped without a warning sign.
Next step: For any warning sign, stop using the range and arrange Samsung or qualified professional service. Do not re-energize it merely to confirm the sound or flash.
Why this matters
Why: The warning signs are consistent with an electrical/fire or shock hazard, but they still do not identify a relay. A silent failure also does not prove a relay fault.
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Check 3
If smoke or odor was reported during use, note whether it was first use, self-cleaning, a visible food spill or normal cooking, without touching hot surfaces or restarting the range.
Expected result: The source was a visible spill/expected first-use or self-cleaning condition, or smoke/odor came from a clean oven during normal use.
Next step: Ventilate only if it is safe and no electrical warning is present; otherwise keep the range off and request service. Do not use a “clean” test cycle to investigate arcing.
Why this matters
Why: Samsung says first-use and self-cleaning odors can have expected explanations, while unusual smoke/odor from a clean oven during normal use requires service. This distinction does not diagnose a relay.
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Check 4
Check the front-mounted knobs visually for an obvious off position and record the serial number for Samsung’s current knob-lock/cover notice. Do not assume a knob lock, control setting or SmartThings status explains an electrical arc.
Expected result: The model/serial qualifies for the knob notice, does not qualify, or cannot be checked.
Next step: Follow Samsung’s notice for an eligible knob remedy, while keeping any reported arcing symptom on the service path. Do not use remote controls to test a suspected electrical fault.
Why this matters
Why: Samsung’s notice addresses accidental activation by people or pets, not a relay or arcing fault. It is a separate safety check.
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Check 5
Provide Samsung service or a qualified appliance/electrical professional with the exact model/serial, which compartment or function was in use, what was seen/heard/smelled, whether the breaker moved, and whether there is visible damage. Do not open the range, probe wiring, replace a relay or bypass protection.
Expected result: The symptom record is complete, or the report remains only a title-level relay suspicion.
Next step: Keep the range out of service until qualified assessment when arcing or other electrical warning signs were present.
Why this matters
Why: The opened official sources provide exact-model routing and a smoke/odor service boundary, but no user-level relay diagnosis or repair procedure.
Use your observations
Decision map
Find the observation that best matches what you see, then follow the next safe action.
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PATH 01Next step
What you see
A visible arc/flash, crackling, burning odor, smoke, unusual heat, shock or breaker event occurred.
Do this next
Stop using the range, keep people clear and obtain Samsung or qualified professional service; do not reproduce or open it.
Why this path and its safety boundary
Why it matters: This is an electrical/fire or shock warning, not a confirmed relay identity.
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PATH 02Next step
What you see
Smoke or odor occurred during first use, self-cleaning or from an identifiable food spill, with no electrical warning sign.
Do this next
Follow Samsung’s cleaning/ventilation guidance only when the range is otherwise safe; stop and request service if odor/smoke persists or seems electrical.
Why this path and its safety boundary
Why it matters: Samsung documents expected first-use/self-cleaning odor and spill-related smoke as different from unexplained odor from a clean oven.
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PATH 03Next step
What you see
The range is clean but produces unexplained smoke or odor during normal use.
Do this next
Keep the range off and request Samsung service. Do not run another cycle to test it.
Why this path and its safety boundary
Why it matters: Samsung directs owners to request service in this situation; the source does not name a relay.
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PATH 04Next step
What you see
Only a no-run or stopped-function symptom is present, without a verified arc, odor, smoke, heat, shock or breaker event.
Do this next
Record the exact function and display behavior and arrange model-specific service; do not open the control area or replace a relay by guesswork.
Why this path and its safety boundary
Why it matters: The assigned “arcing relay” remains unconfirmed; several electrical/control causes remain possible.
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PATH 05Next step
What you see
The model/serial qualifies for Samsung’s knob-lock/cover notice.
Do this next
Follow the notice for the knob remedy and continue treating any arc or electrical warning as a separate service issue.
Why this path and its safety boundary
Why it matters: The notice addresses accidental front-knob activation and is separate from relay arcing.
Helpful context
Understand the symptom
The model is confirmed; the relay diagnosis is not
Samsung’s product specification identifies NE58K9850WS as a 5.8 cu. ft. Flex Duo slide-in electric range with dual doors and two oven compartments. The phrase “arcing relay” describes a reported suspicion, not a Samsung fault code or an externally verified component. Nothing in the opened model material supports opening the control area or assigning the symptom to a relay.
Treat arcing and electrical warning signs as stop-use conditions
A visible flash, crackling, burning-plastic odor, smoke, unusual heat, shock or a breaker event should not be reproduced to gather more evidence. Samsung’s oven guidance distinguishes expected first-use/self-cleaning odor from unusual smoke or odor during normal use and directs service when the clean oven still produces it. That guidance supports a service boundary, not a relay repair.
Do not confuse the knob notice with the reported symptom
Samsung’s current consumer notice includes NE58K9850WS/AA in a free knob-lock/cover announcement for accidental activation of front-mounted knobs. It is a separate safety issue. Check the serial number and follow that notice if applicable, but do not use it as evidence that the range has an arcing relay or any particular electrical component failure.
When checks do not resolve it
Need a professional?
Keep the Samsung range unused and request Samsung or qualified professional service for any visible arcing, crackling, burning odor, smoke, unusual heat, shock, breaker event or unexplained smoke/odor from a clean oven. A no-run symptom without those signs still requires model-specific service because the relay diagnosis is unconfirmed. Do not open or probe the range.
Safety scope: Do not open the control area, probe wiring, remove the range, replace a relay, bypass protection, use hidden service modes or deliberately reproduce arcing. If smoke or fire is present, leave the area and use emergency help from a safe location.
Have this ready
- Provide the full NE58K9850WS suffix, serial number, which oven compartment or cooktop function was in use, the exact visible/audible/odor symptom, timing, breaker behavior, smoke/spill context and any external damage.
Common questions
FAQ
Does “arcing relay” prove a relay has failed in the NE58K9850WS?
No. Samsung’s exact product material identifies the range and its dual-oven configuration but does not provide an arcing-relay definition or user test. Treat the phrase as an unverified report and use the stop-use/service boundary.
Can I run the oven again to reproduce the arc?
No. Do not deliberately re-energize a range after a reported arc, crackle, burning odor, smoke, heat, shock or breaker event. Record what happened from a safe position and request qualified service.
Is the Samsung knob-lock notice the same as a relay recall?
No. Samsung’s notice includes NE58K9850WS/AA for accidental front-knob activation and supplies locks or covers. It is a separate safety issue and does not prove an internal relay fault.
Read the exact guide
Official sources
- NE58K9850WS 5.8 cu. ft. Flex Duo Slide-In Electric RangeSamsung Electronics America, Inc. · Opened the official Samsung product specification PDF. It identifies NE58K9850WS as a Flex Duo slide-in electric range with dual oven, electric cooktop, Wi-Fi and remote-monitoring features. It does not define an arcing relay fault or support internal diagnosis.
- There is smoke or an odor coming from Samsung ovenSamsung Support US · Opened official Samsung oven support. It distinguishes first-use/self-cleaning conditions from unusual smoke or odor during normal use, advises ventilation and spill inspection for normal-use smoke, and directs service when unusual odor/smoke persists in a clean oven. It is not used to diagnose a relay or authorize internal inspection.
- Samsung NE58K9850WS/AA Warranty SupportSamsung Support US · Opened the official exact-model warranty page. It confirms the NE58K9850WS/AA support identity and routes owners to Samsung support/service; it does not support a relay diagnosis or user internal repair.
- Samsung Range Knob Kit Consumer NoticeSamsung Electronics America, Inc. · Opened official Samsung consumer notice. It includes NE58K9850WS/AA in a knob-lock/cover announcement for accidental knob activation and gives external serial-number verification and basic range-safety precautions. This is a separate knob hazard, not evidence of relay arcing or an electrical component fault.
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