Model #HTV-A2 PIONEER amplifier

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Question and Answers

Q:

My dryer model#110-77032601 the flame comes on after 2 mins. or so it goes out. It comes back on and then goes out again. I have done all tests all ok.

A:

If the dryer starts then the control board could be okay. The F1 and F2 codes could have been stored in the memory and that is why they are showing up in the diagnostic test mode. I assume that you have the tech sheet. I provided some of the pages in the images below. If you enter the diagnostic test mode and move past the saved fault codes, the dryer will normally display a fault code for any current problem when you run the dryer in that diagnostic test mode. I recommend that you run that manual test mode and see if the burner will heat in the second stage of that test as shown in the second image. You can pull the observation plug at the bottom of the front panel to observe the burner assembly. The theory of operation for that burner assembly is shown in the last image. Before replacing the control board, I recommend that you run the test described above. Observe the operation of the burner assembly through the observation port in the front panel. You may need to check the resistance of the thermistor. A problem with the burner assembly could also cause this heating problem.

These additional tips may help you with this dryer heating problem. If you need more assistance, reply with additional details.

You can order parts from the Sears PartsDirect website if needed.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

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Lyle W -
Sears Technician
February 09, 2011
A:

Here are the additional images. Be sure that you UNPLUG the dryer and shut off the gas supply before accessing internal components in the dryer.

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Lyle W -
Sears Technician
February 09, 2011
A:

You should have the dryer reassembled and the exhaust vent duct properly connected to the outside of your home when you are testing the dryer. There is an observation plug at the bottom of the front panel that you should be using to observe the burner assembly. Make sure that the exhaust vent system to the outside of your home is clear and unrestricted. Also, make sure that the lint screen is clean. You may need to wash that lint screen with water and soft bristle brush to remove any fabric softener residue that can build up and restrict exhaust air flow. A blocked exhaust air flow system could cause the dryer to short cycle as you are describing. Try filling the dryer with a medium load of wet laundry when you are testing the burner assembly. This will help you see the burner cycling in a normal situation. The flame sensor is not likely causing this failure since it shows continuity and then opens proper to initiate the lighting of the burner. The thermal cut-off fuse will not reset. That component is not causing this failure since the burner will ignite at times. There is a possibility that the high limit thermostat is bad if it is opening prematurely. You could UNPLUG the dryer and bypass this component by taping the wires attached to that thermostat together will electrical tape. Reassemble the dryer and run it in a heated cycle with a medium load of wet laundry in the drum. If the dryer works normally then replacing that thermostat should fix your problem. Do not continue to run the dryer with that high limit thermostat bypassed. That safety component must be replaced to safely operate the dryer. I hope that these additional tips help. Reply with additional details if you need more assistance.

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Lyle W -
Sears Technician
February 09, 2011
A:

Make sure that you have a load of wet laundry in the dryer when you are conducting the test that you are describing above. If the dryer is empty, it will short cycle as you describe. If you have we laundry in the dryer, then these details seem to indicate that the dryer is now cycling on and off using the high limit thermostat instead of the thermistor (temperature detector) and the electronic control board. If the dryer is heating up to about 200 degrees and then shutting off for a while, this would verify that failure. The dryer burner should cycle off around 160 degrees and then the burner should reignite when the temperature gets down to around 140 degrees. I doubt if this is happening. You may have a bad thermistor. I recommend that you check that component again. At room temperature, it should measure around 10K ohms (10, 000 ohms). If the thermistor is okay, then you probably have a bad electronic control board in the dryer.

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Lyle W -
Sears Technician
February 10, 2011
A:

The burner is designed to cycle on and of to maintain an exhaust air temperature around 150 degrees F. Since the dryer is heating at times, the thermal cut-off fuse will not be causing this failure. That component is a non-resettable fuse. If that fuse blows, the dryer will not heat at all. I recommend that you completely reassemble the dryer and let it run in a complete cycle to see how it performs. If you have not checked the vent duct system to the outside of your home for restrictions that could be causing your problem is the dryer still won't work properly. If the vent system is completely clear and working properly, then you may have to replace that control board. Let us know if you need more help.

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Lyle W -
Sears Technician
February 11, 2011
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Q:

LG WM2301H Washer bearings sound bad

A:

The coding in that first sequence of the test just shows information on the programming for the control board and the user interface. Information on that test sequence and the display is shown in the first image below. As shown in that image, be sure that you allow the basket to stop spinning before moving to the inlet valve test. The error codes are shown in the second image. This information may help you test components in the washer and decipher error codes.

Your details indicate that you suspect that the spin bearing in the washer is bad. That link for a previous answer that Carmen G. posted in the above response provides some information regarding the replacement of that bearing. I don't recommend that you attempt that repair unless you are completely confident in your technical ability to properly access and replace that bearing.

You can visit this page for parts if you intend to complete that repair yourself: LG Washer Model WM2301H Parts .

If you need to have a service technician repair the washer, you can set up service through this link: Sears Home Services .

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Lyle W -
Sears Technician
September 05, 2012