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Bosch dryer lint light flashes

My lint filter keeps blinking and my dryer is not ventilated! How can I fix it

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  • Anonymous Apr 15, 2008

    My lint light keeps blinking (sometimes every 5 minutes or so) the dryer stops and keeps sounding the alarm. When I check, the lint filter is practically clear.

    I will add that I am not happy with the lint collector anyway. DIfficult to clean thoroughly and awkward to get to.
    I think it has a tendency to overheat at the times the lint signal goes off. And it doesn't happen all the time. 

  • pdogg59 Aug 19, 2008

    same exact problem but dryer only runs for about a minute

    till signal goes off and shuts off the dryer and begins to beep

  • moon1oh Oct 06, 2008

    same exact problem - any solutions - it's driving me crazy



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My Bosch Nexxt electric dryer had the same problem with the lint filter light blinking and the dryer not running. It turned out that the door switch was not engaging. The service technician informed me that there is a plastic tab (available only by opening the top access panel) that was not fully snapped in place. When he snapped the tab back in place and then secured it with a screw, the door switch fully engaged, the lint filter light went out, and the dryer ran perfectly! I hope that helps you!

Posted on Mar 30, 2009


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Check filter light blinking will not start only beeps what to do please help

Probably a lint buildup on the sensor. Need to clean the entire lint system. Should be able to remove the plastic frill if the lint filter is inside the drum. Remove the two screws and clean out all the lint then pull the dryer out remove the vent hose. Run a vacuum hose or reach up i to there and pull out the li t. Then clean out the vent hise...a broom handle works if it's a straight shot.

Oct 11, 2016 | Kenmore Dryers

1 Answer

Keep getting warning "check exhaust" on a new gas dryer. All exhaust is clear. What's going on?

The CHECK VENT duct blockage sensing system detects and alerts you to blockages in the duct work that reduce exhaust flow from the dryer. This light does not indicate any problems with your dryer. If this light blinks, it indicates that your home's exhaust system/duct work has a serious restriction

Every time the dryer is turned on, the CHECK FILTER LIGHT WILL BLINK, as a reminder to make sure the filter is clean. Always make sure the lint filter is clean before starting a new load; a clogged lint filter will increase drying times.

The Kenmore Elite dryer has a sensor that detects poor exhaust venting, and when it does, a light flashes on the control panel. This warning light does not include a mechanism to stop gas flow, but if it is allowed to flash for an extended period, poor venting may cause the dryer to overheat. As a result, a fuse might blow and disable the gas valve or ignitor. You can prevent this by diagnosing the reason for the flashing indicator light as soon as possible.

In many cases, LINT has built up somewhere in the exhaust pipes.

Check under the lint filter. Pull it out,look inside the slot it fits in, and clear all lint from this area.

Is it possible you have used the WRONG VENT MATERIAL?
Check your vent to make sure it is 4 inch rigid or semi-rigid metal ducting. If your venting is plastic or flexible foil, replace it before using the dryer.

Check your vent hood outside. You may have a restricted or damaged vent hood. It must be clean and free of lint buildup. Check the damper and make sure it opens fully and easily and is free of lint.

I know you said you have no elbows, but I have posted the pipe run lengths with and without elbows. Keep in mind this is with 4 inch rigid or semi rigid metal ducting.

Measure the length of your exhaust system and count the elbows. Use the chart below to see if your duct is too long. If it is too long, have the duct routed to another location that is within the venting guidelines.

0~90 degree elbows=65 ft of 4 inch rigid metal duct.
1~90 degree elbow=55 ft of 4 inch rigid metal duct.
2~90 degree elbows=47 ft """"""""
3~90 degree elbows=36 ft """"""""
4~90 degree elbows=28 ft """"""""

You should always use duct tape or metal tape on all joints, NEVER USE SCREWS, as screws capture lint inside the pipe.

One more note. Lots of people overlook the fact that fabric softeners can build up on the lint filter over time. This buildup can restrict the airflow through the filter reducing dryer efficiency and lengthening drying times. After removing lint, if the filter looks dark or dirty when held up to the light, follow these steps to clean:

Use hot soapy water and a stiff brush to clean
the filter.
Make sure the filter is completely dry before
reinstalling it and using the dryer.
NEVER operate the dryer with a wet lint filter.

Oct 29, 2014 | Kenmore Dryers

1 Answer

Clothes dryer overheats & shuts off. Works fine again after a cool-down period. Any suggestions, for a non-handy woman with few tools and less money for repairs?


Heating Element
A defective heating element can make a dryer too hot. If the element partially shorts out, it can produce heat all the time, regardless of whether the dryer is calling for heat. Remove the heating element to inspect it. The coils should not be touching each other or anything else.

Other Causes and Conditions
Air Flow Problem
Dryers need good ventilation to work properly. If the vent is clogged it can make the dryer too hot. Clean all of the vent tubing thoroughly.

Cycling Thermostat
Although not common, a defective cycling thermostat can make the dryer too hot. The cycling thermostat is supposed to turn on and off the heat to maintain the proper temperature. If the thermostat is defective it may keep the heat on too long. The thermostat is not adjustable or repairable, it must be replaced.

Felt Seal
Most dryers have a felt seal at the front and rear of the drum to keep the heat inside the drum. If the felt seal is worn away or missing, the dryer may keep heating and make the dryer too hot. This is not common.

Blower Wheel
A defective blower wheel will not spin properly and will not vent the hot air, making the dryer too hot. Check to see if there is adequate airflow out of the dryer.

Oct 16, 2014 | Dryers

1 Answer

Lint light flashing

The problem may be with air flow through the lint filter screen. The filter is a fine screen and even though it appears to be lint free, it may not be. Spray the screen with a degreaser, use a soft brush to gently scrub it, and rinse under running water. This may solve your problem.

Jun 30, 2014 | Bosch Nexxt 500 Dryer

1 Answer

Bosch dryer won't run

bad air flow switch,check wire diagram.

Mar 04, 2014 | Bosch Dryers

1 Answer

I own a Bosch Nexxt Series Electric Dryer, the clothes come out with a petrolium smell, grease or something. I have cleaned the trap, duct work, bearing shield to no avial. It is not the washer, the


Dryer Does Not Turn On

Ensure that the dryer's power supply cord is firmly plugged into an electrical outlet.

Inspect the structure's fuse box for a tripped fuse. Each fuse is assigned a single "On/Off" switch. If any fuse switch is in the "Off" position, flip that switch to the "On" position. If the problem persists, contact a professional electrician.


Press the "Start/Stop" button on the left side of the dryer's control panel.

Close the dryer door firmly so that the door clicks into place. The dryer will not operate if the door is not shut.
Lint Filter

Clean the lint filter. Twist the program selector knob on the control panel to the "Off" position, then open the dryer door. Pull the lint filter out of the dryer. The lint filter is located at the front of the dryer's tumbler, and is inserted vertically into the dryer. Gently stroke your hand over the filter to clear the lint, then reinsert the filter and close the door.

Turn the dryer off and allow at least 30 minutes for the dryer to cool, as excessive heat can cause a drying program malfunction.

Increase the ventilation of the room the dryer is located in, such as by opening a door or window. Excessive heat will cause the dryer to automatically turn off until it cools as a safety measure. Increasing the ventilation will help keep the dryer cool.
Clothing Not Fully Dry

Clean the moisture sensor. Open the dryer door to access the moisture sensor. The black-colored sensor consists of two bars, and is located at the front of the dryer's tumbler, to the left of the lint filter. The sensor should be cleaned with a clean cloth and white vinegar once per month.

Clean the lint filter. Twist the program selector knob on the control panel to the "Off" position, then open the dryer door. Pull out the lint filter. The lint filter is located at the front of the dryer's tumbler, and is inserted vertically into the dryer. Gently stroke your hand over the filter to clear the lint, then insert the filter back into the dryer and close the door.

Spin the laundry at a higher spin speed in the washing machine before placing the laundry into the dryer to reduce the moisture content.

Turn the dryer off and allow at least 30 minutes to pass for the dryer to cool, as excessive heat can cause a drying program malfunction.

Jan 09, 2013 | Bosch Nexxt WTMC 3300 Electric Dryer

1 Answer

Lint filter light turns on and stops dryer before they are dry constantly

Your exhaust vent pipe could be getting restricted. Make sure it is clean and free flowing.Make sure your screen is clean, and also the ventilation port in it leading to the screen. The port could also be restricted.

Sep 03, 2011 | Bosch Nexxt WTMC3321US Electric Dryer

2 Answers

I have a Kenmore model #41790042990 which I purchased I believe in 2000. The last couple of times I've used it on HIGH HEAT, my clothes are still damp when it finishes the cycle. I'll I have done since...

Ventilation is restricted in some way whether it be in the hosing from dryer or going out of house. Also lint will collect inside the dryer below where filter is. Front of dryer has to be removed to access that b

Oct 07, 2017 | Kenmore 94072 Gas Dryer

1 Answer

On my Bosch Nexxt 500 Series Electric Dryer keeps shutting off and gives the E-01 error we have check the exhaust air duct on back of the dryer and we have vacuumed the inside bearing shield what else...

Motor won't work
Lint screen hi-limit (thermal cutout) tripped.
Clean lint screen and clean lint and other debris from front shield, then replace hi-limit. Also check exhaust duct length & # of elbows.
Wire harness failed.
Run resistance or continuity checks to track down broken wire or connector. Replace failed wire harness.
Display shows "E:01" during drying.
Lint filter, air duct or air damper is blocked.
Air leaking past felt drum seal.
Air duct is too long, too small or has too many bends. Inadequate ventilation around dryer (i.e. in a closet).
Clean out filter, air duct and air damper.
Replace felt drum seal. If seal doesn't fit snugly onto drum, wet felt and dry it by running a timed dry cycle for 20 minutes (felt will shrink and fit drum snugly).
Shorten, enlarge, reroute and reduce # of bends in air duct. Move dryer to an area

Jan 09, 2011 | Bosch Nexxt 500 Dryer

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