I have a neptune gas dryer and it started to not dry very well and i noticed the timer was at like 40 min on sensor. I found a way around this by unplugung it and then pluging it back up and it would go to 60 min and after about ten drying cycles it would need to be reset again. I decided to repair this so i bought a new control board and installed it. the fires cycle was at 62 min and from there on it has gone down to 48 min. and when i unplug it it stays at 48 min. The dealer i bought the board from did not have the newest number as the part number has beed changed and he still had the old part number and thought it would be ok. I did check the Maytag website and my number is still a good number 33002959 is the part number for the board bought. Would there be another reason for this? I looked at the sensor inside the dryes with the two wires on it and did not see anything wrong with it. I think mine is a mdg5500aw can look for sure but pretty sure.
Thanks for any help you may provide.
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Re: gas dryer timer
Jack, the difference between the new and older board is that they added a capacitor on the new board to allow the removal of the capacitor on the radiant sensor. Sometimes a build-up of fabric softner on the sensor bars prevents detection of moisture on the clothes. I usually use a light sandpaper and go over the bars lightly. Give this a shot...Catriver...post back.
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A dryer moisture sensor can stop working without notice, until you notice your clothes being over dried or still wet at the end of the cycle. It is a good practice to test the dryer moisture sensor periodically. There are two types of moisture-detecting sensors for dryers. Once you understand how they work you will see how to test each one. 1. Sensor BarThese sensors contain digits that protrude outwardly. They work on an electrical current and the moisture from the clothing. The first step to test is to place completely dry clothes in the dryer and turn on the dryer; it should run for a few moments and then shut down right away. Secondly, place damp clothes into the dryer, turn on the dryer and watch the timer. As the clothes begin to dry the timer will move and shut off. 2. ThermostatThe timer is regulated by the thermostat. The thermostat rests in a closed position. To test this type of moisture sensor, place damp clothes in the dryer. Watch the timer; as the clothes begin to dry, the thermostat should open and the timer will move forward ,eventually shutting off.
clean the stainless steel sensor pads located just inside the dryer door with isopropyl alcohol,these sensors register moisture in the garments and adjust drying times accordingly,when you use dryer fabric softener sheets it coats these sensors and throws the system off,make sure to shut off power to unit as this alcohol is very flammable,then leave door open to air out before re-powering up unit
the timer : if you use time dry the timer should always move and complete the cycle. if you use auto dry the timer uses a sensor to tell the timer to move. If your not getting any heat your sensor might not tell the timer to move.
So lets start with the no heat problem. First make sure your Vent is clear or just disconnect the vent and put a pair of womans stocking over the end to keep the dust down, This will ensure you do not have a blocked vent. ((( If you have a blocked vent on a gas dryer the safty sensor will shut off the gas valve and you will only get a little bit of heat))) Now try the dryer for small load, ((( if this solved your problem then you have a cloged vent )))
If this did not solve your problem then the coils on your gas valve in the dryer are probably bad.
Maytag Bravos 400 Series Dryer purchased August 2009 - November 2009 required repair as I also experience the timer readjusting itself to excessive extended drying time when clothing was bone dry and hot. Sometimes extended to 1 hour 40 minutes! Serviceman stated problem was the Sensors in the dryer. Part number 8577274 Thermister and "Old Ohmed out open" whatever that means as listed on my repair ticket. Have not had that particular problem since. Make sure your dryer vents from dryer to outside are clean and clear of lint. Will help immensely. I have many other issues with this dryer it has been down FOUR times in 9 months. Fighting with Maytag to replace this lemon!