Direct answer
For the Samsung DV42H5000 dryer, a stop can be sensor completion, overheating protection, door interruption or power loss. First, note remaining moisture, time and display state at the stop.
What this covers
- Samsung DV42H5000 dryer (DV42H5000*)
- Samsung dryer; the DV-prefix model number alone does not state electric versus gas — check the rating plate or full model suffix before applying either supply's diagnosis.
- The specific fault this record addresses: stops before the cycle is finished
What it does not cover
- ×The same symptom on a different Samsung product line, which has its own record and its own cited source
- ×An on-screen error code whose meaning has not been checked against this exact model's manual
- ×Live electrical, gas, sealed-system, internal battery-cell or structural repair — a technician boundary, not a self-service step
Differential
What actually causes this, and how to tell them apart
These are ordered by how often each one is the answer, not by how easy it is to try. The point of the middle column is that two causes producing the same headline symptom rarely produce the same detail — that detail is what tells you which one you have before you change anything.
- 1
Sensor Dry correctly finished the cycle early
What separates it The display shows a normal completed or cool-down state rather than an error, and the load is genuinely dry when checked — this isn't a stop at all, just an accurately shorter cycle than expected.
How to confirm Compare against the load's actual dryness, not against how long the cycle usually runs.
- 2
The door was opened during the cycle
What separates it The cycle paused rather than showing an error, and someone recalls opening the door to check or add an item.
How to confirm Close the door and press Start to resume — most dryers hold cycle state rather than canceling on a brief door opening.
- 3
Thermal overheat protection tripped from restricted airflow
What separates it The stop happened partway through a longer or heavier load, possibly with a burning or hot smell beforehand, and the unit needs to cool before it will restart.
How to confirm This is the same root cause as the not-heating thermal-fuse case — clear the vent path before resuming normal heated operation.
- 4
A genuine momentary power loss or breaker trip occurred
What separates it The clock or any other powered display also reset, not just the drying cycle, and the stop coincides with other household devices losing power.
How to confirm Check the breaker panel and whether other outlets on the same circuit lost power at the same time.
Before you touch a setting
Record this first — changing settings destroys the evidence
Every item below stops existing the moment a reset, re-pair or settings change is made. Written down first, they are what separates the causes above; recovered afterwards, they are guesswork.
- The exact remaining time, displayed code and whether the load felt dry, damp or wet at the moment it stopped.
- Whether the door was opened, even briefly, at any point during the cycle.
- Whether any smell, unusual heat or sound preceded the stop.
Check the load's actual dryness before assuming a fault
ReversibleA stop that coincides with a genuinely dry load may just be Sensor Dry completing correctly.
Close the door fully and attempt to resume
ReversibleMost models hold cycle progress through a brief door opening rather than canceling.
Inspect vent airflow if the stop followed heat or odor
ReversibleClear any restriction before running another heated cycle.
Run a full cycle beyond the previous stop point twice
ReversibleConfirms the fix rather than a one-time coincidence.
Model-specific
What is true of this model and not of its siblings
Generic advice for the product line fails here. Each item below is a property of this specific model family that changes which of the steps above apply to you.
- Model scope
- DV42H5000*. Samsung dryer; the DV-prefix model number alone does not state electric versus gas — check the rating plate or full model suffix before applying either supply's diagnosis.
- Fuel — confirm ELECTRIC or GAS
- This entry series came in electric (DV42H5000EW) and gas (DV42H5000GW) — check the suffix. Electric no-heat = element/240V half-breaker/thermal fuse; gas no-heat = igniter/valve coils/flame sensor/gas supply.
- Venting
- A vented dryer — clogged lint screen or blocked duct causes long drying and overheating. Clean both regularly.
- Feature tier
- An older entry Samsung dryer with Sensor Dry; typically no Wi-Fi, so a long cycle is airflow or a mixed load, not a smart feature.
- Symptom boundary
- This record covers Samsung DV42H5000 dryer when it stops before the cycle is finished. A different symptom on the same hardware, or this symptom on a different Samsung product line, has its own record with its own causes and its own cited source.
Stop boundary
When this stops being a self-service repair
Continuing past any one of these costs more than the repair saves — in safety, in warranty, or in evidence a technician needs.
- !Repeated stops with heat, smoke or hot wiring smell need the dryer unplugged and serviced, not restarted.
- !Repeated breaker trips on the same circuit point to an electrical problem beyond the dryer.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Where the manufacturer's article stops. Samsung Support publishes this as "Samsung washing machine information and error codes". Samsung's own washer troubleshooting and error-code article; covers filling, draining, spin and unbalanced-load conditions. What that article does not carry is the model boundary — it is written for a product line, and DV42H5000* is the scope applied here. Where a control label, terminal, indicator pattern or reset sequence differs on your unit, the manual for that exact model is the authority, not this page and not the article.
Exact questions
Common follow-ups
My older Samsung DV42H5000 isn't drying well.+
Start with airflow regardless of fuel: clean the lint screen every load and clear the exhaust duct — a blocked vent is the top cause of poor drying on any vented dryer. If there is no heat at all, check whether yours is electric or gas: electric points to a half-tripped 240V breaker or the element, gas to the igniter and valve. Cleaning the moisture-sensor bars also helps if Sensor Dry is ending cycles early.
The cycle stopped early but the clothes are actually dry.+
That's very likely Sensor Dry completing correctly rather than a fault — check dryness against the load itself, not against how long the cycle usually takes.
The dryer paused after I opened the door to check on something.+
That's expected — most dryers pause rather than cancel on a door opening. Close the door and press Start again to resume from where it left off.
Does this answer apply to every Samsung model?+
No. It is scoped to DV42H5000*. Samsung dryer; the DV-prefix model number alone does not state electric versus gas — check the rating plate or full model suffix before applying either supply's diagnosis.
What should I record before troubleshooting stops or shuts off?+
Record the complete model identifier, exact message or indicator, software/firmware where visible, the operating stage and what still works.
Why is a factory reset not the first step?+
A reset can erase accounts, networks, maps, schedules or preferences without distinguishing stops, shuts off. The ordered checks preserve that evidence.
When should I stop and use qualified service?+
Stop for overheating, smoke, hot wiring or repeated breaker trips.
Answer for the exact device and software version shown above.