Samsung dryer
showing C90
C90 is a result of Samsung's vent blockage test: more than 90 percent of the vent is clogged.
Mon–Sat, 8am–8pm
- Restricted airflow
- Vent cleaning and inspection
- Source: Samsung
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What C90
actually means.
C90 is a result of Samsung's vent blockage test: more than 90 percent of the vent is clogged. C80 marks about 80 percent, and CLg or Cg a clogged vent.
Samsung dryer display · also shown as C9, C9o, C80, C8, C8o, CLg, Cl9, Cg
What to do when C90 shows on the dryerKind of codeRestricted airflow
Air is not leaving the dryer fast enough. Lint in the duct, a crushed hose behind the machine or a stuck flap on the outside hood is found long before any part fails.
Usually leads toVent cleaning and inspection
The visit that prevents most dryer fires and many of the repairs above it: the duct, the hood and the lint inside the cabinet.
Shows up asDryer Vent Clogged
Weak airflow outside, long drying times and a hot laundry room: the vent is not carrying the air away.
MakeSamsung
Full-size and stacked dryers in electric and gas versions, built around electronic controls and sensor drying.
SourceSamsung US support: Samsung dryer displays an error code
Samsung dryers with the vent blockage test function.
Before you book,
in this order.
Each step comes from Samsung's own guidance for C90 on its dryers. Follow it to the end: the last card says whether this is a visit.
Empty and clean the lint filter first.
Clean the exhaust vent, then run the vent blockage test again.
Repeat until the test passes, and book a vent cleaning if you cannot reach the clog.
Still there?
It usually turns into vent cleaning and inspection. Book with the code and the model number.
What not to do
These codes appear only after the vent test has been run; they are not a random failure during a normal load.
What you may
notice with it.
The dryer problems C90 tends to arrive with. Answer these at the dryer before anyone is booked.
All problems
Dryer Vent Clogged
5 causes, cheapest first
Where C90 usually leads
Vent cleaning and inspection.
Samsung
dryers.
Full-size and stacked dryers in electric and gas versions, built around electronic controls and sensor drying.
Samsung dryer repairMore Samsung codes
Restricted airflow on other makes
Electric dryer
The most common dryer in US homes: a 240-volt heating coil, a belt-driven drum and a vent to the outside.
Gas dryer
Heat from a burner on natural gas or propane, lit by an igniter and watched over by a flame sensor, with the motor on 120 volts.
Stackable dryer
The dryer half of a stacked pair or a single-frame laundry center, where the height and the closet decide how the repair is done.
In Samsung's own words
These codes will only appear after a Vent Blockage test has been run.
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Samsung dryers with the vent blockage test function.
Samsung C90 dryer repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about C90.
Can I clear C90 myself?
What result should a clean Samsung vent give instead of C90?
If the Samsung vent test shows Ct instead of C90, what does that mean?
Back to your everyday
Still showing C90?
Book with the code exactly as displayed, the whole model number, and whether you smell burning or gas — for a code, that is where the diagnosis starts.