Question about Dryers
Using a cable tracker I bought from Harbor Freight seems to work with 110 wiring when the circuit breaker is turned off, but can it work safely with the CB turned on. If not, could a capacitor be inserted between the tone generator and the hot wire for isolation? I am trying to find a break in the wire that leaves several receptacles cold while the rest of the circuit is hot. The cable tracker seems to follow the wire all the way to the cold receptacles as being continuous, but voltage measured is zero.
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Posted on Jan 02, 2017
SOURCE: Elec dryer, no heat case
check your center NEUTRAL connection to the element,sounds like your losing it somewhere,certain units rely on the neutral to operate the element on certain cycles to dry, the neutral carries the imbalance current load and the wire gets hot and will get brittle and break
Posted on Sep 24, 2009
SOURCE: 2 12/2AWG = 1 10/3AWG
yes, with a double run of 12-2w/ground you'll end up with 2pairs of 12 for your 2 hot phases(you will need to mark one pair red to substantiate the 2 different phases) and each 12 gauge wire will carry 20 amp each alone, then you'll have 2 pairs of 12 with white insulation white for neutral is fine but the other pair for the safety ground will need to be marked or painted green where ever visible per N.E.C. i.e. main panel or dryer receptacle or hardwired into the unit itself,use 10-3w/ground its cheaper in the long run and you dont have to run a doubleheader
Posted on Sep 27, 2009
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SOURCE: no hot air blowing LEB6200pq1
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 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.
NOTE(If the Thermostats and fuse check out ok, replace the element. Element failure is uncommon but, it may fail in certain cases))
(Make sure the entire venting assembly is not clogged as well)
Posted on Nov 06, 2009
SOURCE: the dryier runs but stop heating
Check the red wire coming in from the timer to the motor switch to see if you have power there. If you have power going into the motor but not out to the heater you need a new motor.
Posted on Jan 29, 2010
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