Question about Dryers
Unable to use the automatic preset controls. It will only work with setting the timer manually.
timers and how they work: Timed dry cycles on a timer are the simplest timer cycle. The timer motor receives 120 volts and just advances all the way from where you set it to the off position. Example- You set it for 50 minutes, it will run for 50 minutes and shut off. The AUTO cycle is a little different. Theoperating thermostat cycles off and the power is redirected to the timer motor to advance the timer to the off position. There is no power to the timer motor until the thermostat cycles the heat off and then that power is directed to the timer motor. If your timer will not advance in timed and auto dry...probably a bad timer or wire. If your timer will not advance in AUTO dryer but will advance in timed dryer...problem is normally not your timer.
Dead dryer: Common problems...blown house fuse, broken belt ( on some models )...door switch...*thermal fuse open ( venting needs attention )...broken or burnt wire....timer....motor, in order from most common to least common. * If you find a blown thermal fuse, always clean, change, adjust the venting system and vent hood first, then it is often a good idea to replace the operating thermostat at the same time. This is a picture of some modern thermal fuses.
Changing from 3 to 4 wire hookup on a electric dryer:
Power cord help for 3 & 4 prong dryer cords
This is an example of a three wire connection dryer cord hookup. Notice that there is a ground strap connected from the common center terminal to the frame of the terminal block. Place the center wire of the cord on the center terminal [ one with the ground ******** it ] and the other two wires will be placed on the outer terminals and it doesn't matter which wire goes right or left. Get the center wire of the cord right and you are in business.
This is an example of the 4 wire dryer cord hookup. Notice that the ground strap has been removed from the terminal block frame and folded back onto the center terminal for storage. You can see the colors of the other hookups. TIP: White always to the middle.
Posted on Jan 16, 2009
Q - Dryer takes too long to dry or multiple times to dry a load
A1- Pull the dryer out away from the wall. Unhook the vent from the dryer completely. Do not put anything over the dryer exhaust on the back of the dryer. Do a normal load with the vent unhooked. If it dries better or ok like this then the problem is in the dryer venting. Like a blocked vent pipe or a smashed or restricted vent hose.
A2 - If the vent doesn't make a difference, then check the blower wheel for excessive lint build up, check that there isn't anything stuck to the air intake baffle inside the drum, (i.e. the screen on the back wall of the dryer when looking into the drum). Check the lint filter chute for blockage. Check that the heating element isn't shorted to ground. Check the exhaust temperature of the dryer. A meat orpocket thermometer can be used for this. It should cycle between 120 degrees and 160 degrees. Check that the drum seals are worn out.
Check blower fan for proper air flow Check the blower wheel for being stripped out in the middle
Notice: this is a common problem The hole in the center of the blower wheel should be "D" shaped. These strip out after awhile and then spin freely on the shaft, not spinning at the same speed as the motor. This makes a rumbling noise and poor/slow air flow through the dryer.
Posted on Jan 16, 2009
Near the timer is a small micro processing board. Yank it out of its slot and clean the copper contacts. Re install it. Reach inside the dryer and clean the two metal sensing strips with alcohol. These, measure capacitance in clothes, in association with that small electronic board, to determine dryness. Retry the machine in the Auto dry cycle. With any luck you will not have to buy any parts.
Posted on Jan 15, 2009
Its the problem with the control panel board functioning unit.replace the board to solve.
Posted on Jan 15, 2009
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