When a dryer takes longer than usual to dry, there is generally a reason causing such inconvenience. If the control panel shows any bar lit up in the Flow Sense warning indicator icon or displays either code: d80, d90 or d95 – there is an issue with poor venting exhaust causing the dryer to shut down to prevent it from overheating and becoming a fire hazard.
Should no such indication appear in the display panel window, starting with the obvious, customer should verify the following:
(even though the dryer powers on, no heat could still be an electrical deficiency. Dryer heater operates at 220 volts 30 amps while the motor, control panel, lights and electronics all work at 110 volts 15 amps ).
Here's a concise summary based on NFPA’s Home Fires Involving Clothes Dryers and Washing Machines report:
SOURCE: NFPA Research
Key Findings from NFPA (2010–2014)
Recommendations for Fire Prevention
These practices are critical in reducing dryer-related fire risk. Let me know if you'd like tailored safety tips or guidance based on your specific setup.
The Flow Sense warning on your dryer is designed to help avoid reduced performance caused by restrictions from the household exhaust system and alerting of such problem in the system so that it may get fixed. The fix generally involved replacing the venting duct, shortening it or cleaning the inside as you would a chimney.
Moment sensors detect a sudden rise in temperature algorithms quickly establish the rate of exhaust blockage and proceeds to corrective measures (shutting down).
Drying clothes for too long at high heat will scorch the clothing. Fine example of this scorching is the lint collected in the filter trap. Despite catching the bulk of it, some lint will keep going following the moisture out the exhaust venting duct winding clogging the inner surface like plaque in arteries.
Have you ever packed a car tailpipe with snow as a kid then observe the car get started, choke, stall then stop running? Well a dryer whose venting exhaust pipe is clogged does exactly the same. A customer, uninterested by maintenance of the exhaust duct, might suggest making the dryer blower fan more powerful. We don’t want LG dryers to sound like some jet plane airliner in your basement.
In clearing out lint and dust to your vent duct area, you can help your LG dryer run more smoothly, dry clothes faster, and keep your home safer.
Troubleshooting Checklist
Indications of Flow Sense Warning Codes
Remember: These warnings are safety alerts — not dryer malfunctions. Fixing airflow issues usually clears them.
Symptoms You May Notice
Quick Tips
Sample Image of Vent Duct
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