Question about Whirlpool LER4634J Electric Dryer
Dryer is about 3 yrs old,minimal use
worked fine until it was moved to new location
was transported upright but had to be layed down initially to get into vehicle
HI. There are a few areas i would advise to check to resolve this issue.
The dryer uses multiple thermostats to regulate the temperature. When the temperature is higher than the preset limit of a particular thermostat, the thermostat breaks the circuit and the heater goes off. When the temperature cools enough, the thermostat closes the circuit again and the heat can come on.
Most dryers have a choice of temperature settings, therefore a separate thermostat is used for each setting. The selector switch or timer control then routes the circuit through the appropriate thermostat.
If a thermostat fails, it may prevent the heat from coming on, This happens because the thermostat does not close the circuit when the temperature falls below the operating temperature of the switch. It is a simple matter to test a thermostat; it should show continuity when the switch is cool and no continuity when it is warmer than its rated temperature.
A thermostat can also fail by being always on, no matter what the temperature. This switch would show continuity whether it was hot or cold. In this case, the heater would not shut off and the the dryer could dangerously overheat. As a safety precaution a second thermostat is used, This is called a thermal fuse. The power will be cut to the heating circuit if the maximum safe temperature is exceeded. In most cases, this is a one time fuse. The heater circuit will not function until the fuse has been replaced. Of course, it will be necessary to determine and repair the underlying cause of overheating or the fuse will just cut out again. The most common cause of overheating will be a clogged ventilation assembly. Be sure to inspect the entire ventilation Assembly for build up. This will cause issues, if obstructions exist.
The thermostats are usually grouped together. The are typically oval in shape and about an inch and a half in size. They may be on the blower housing, under the lint trap or inside the vent line. There should be two wires connected to each thermostat.
Label the wires and connections so that you can properly reconnect them later. The wires are connected with slip on connectors. Firmly pull the connectors off of the terminals. You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If either is corroded they should be cleaned or replaced.
To test the thermostats or fuse, set the multimeter to the ohms setting X1. Touch one probe to each terminal. You should get a reading of either zero or infinity. At room temperature, the thermostats should have a reading of zero. When the thermostats are heated to their limit temperature, they should switch off and you should get a reading of infinity. The fuse should be tested at room temperature for continuity.
Posted on Apr 22, 2010
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Posted on Jan 02, 2017
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Even though it's not the preferred method of transport, it's OK to lay a refrig down for moving, even new R134a if you pay close attention to the refrigerant lines.
Determine where the suction line runs up into the freezer. This is the largest tube connected to the compressor, and is usually (though not always) visible running up the back of the cabinet.
As long as the refrig is laid down on whichever side allows this line to stay 'high', there'll be minimal oil migration, and when you arrive at your destination, just stand it upright for an hour or so and it'll be fine. Obviously, the shorter the trip, the better.
If the suction line runs up the door handle side, just duct-tape the doors securely closed before you lay it down to keep them from opening and getting damaged. It helps to lay a block of wood under the top end, just to keep it inclined a bit, too.
I've been moving refrig's for some 32 years now, and while moving them in an upright position IS best, sometimes you just can't. I work out of a van, and have often laid both refrig's and upright freezers down for transport with no ill effects.
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