c90
Moderate
Samsung · Dryers
Vent over 90% clogged
Quick Answer
Error code C90 on your Samsung Dryers means: Vent over 90% clogged. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Step 1: Stop using the dryer immediately - severely clogged vents are a fire hazard.
2
Step 2: Disconnect the vent hose from the dryer.
3
Step 3: Thoroughly clean the entire vent duct. Consider hiring a professional vent cleaning service.
4
Step 4: Inspect and clear the exterior vent cap.
5
Step 5: Replace the vent hose if it is damaged, crushed, or overly long.
6
Step 6: Rerun the Vent Blockage test to confirm the blockage is cleared.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Vent cleaning brush kit
Replacement vent hose
Exterior vent cap
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