Question about Tappan Dishwashers
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Posted on Jan 02, 2017
SOURCE: Dishwasher isn't draining
It could be the pump, but not only. Check first that you don't have any clog in the drain line. If drain line is clean, open machine's rear panel and : - Look if the pump works. If it doesn't work check that pump get power (with multi-meter). In case it get power (and does't work), it should be replaced. - In case the pump works - The machine has a drain valve with an electric solenoid (the drain pipe connected to it). When it get power the valve opens and diverts the water to the drain line. Test that it get power. In case it get power and dosen't work - You can easyly open the valve and clean it (from scale or other dirt). Be aware you should disconnect the power cable from machine before doing it !!!!! Check as well for valve's coil resistance. In case you have no resistance measurement - you should replace for a new valve. Good luck !
Posted on May 29, 2006
If the washer is not used regularly the shaft can stick to the seals and prevent the motor from spinning. This happens quite regularly for me if I don't use the washer often. You can just take off the bottom panel - after shutting off power to the dishwasher - and access the motor. you should see some fins and then just try to spin the motor by hand. It usually takes about 90 degrees of rotation before the motor breaks free from the seal. You'll have to fight through the spring-like resistance created by the seal-shaft adhesion. After it breaks free the motor spins freely and you should be all set to go. I haven't found a more permanent fix for this other than running the dishwasher more regularly.
Posted on Feb 09, 2008
Your dishwasher pump ejects the water. The pump is usually mounted directly to the motor, then attached to the bottom of the dishwasher. You can reach the pump from inside the dishwasher, but first you need to remove the lower rack, the spray arm, and the spray arm support.
Look for an impeller--a round plastic fan blade-type of device that spins around. This is the wash impeller, which forces the water through the spray arm. Beneath the wash impeller is the drain impeller, which is similar in size and shape to the wash impeller. The drain impeller pushes the water toward the drain port. These components make up the pump. If any of the pump components are defective, you need to replace them.
Drain valve and/or solenoid Many dishwashers use a drain valve with an electric solenoid. When electricity flows to the solenoid, the valve opens and diverts the water to the drain. Sometimes the solenoid, or the diverting lever, sticks and prevents the dishwasher from draining or filling properly. Try to free up the solenoid to lubricate the lever. Otherwise, you may have to replace the solenoid or pump assembly. With these systems, the motor always rotates in one direction. When it's energized, the drain valve diverts the water.
Other dishwashers simply reverse the direction of the motor to drain the dishwasher. These units don't have a drain valve. Instead, there's a drain hose connected directly to the pump housing.
Belt One brand of dishwasher uses a belt to drive the pump. If this belt is broken or has fallen off, replace it.
Motor If the motor isn't turning or working, the unit won't drain. First check to be sure you have power to the dishwasher. If not, see the section "It doesn't work at all." If the motor hums but doesn't turn, it may need to be replaced.
Some dishwashers are susceptible to getting stuck if you don't run them regularly. If you haven't run the dishwasher for more than a week, you may need to manually spin the motor to free it up. If the motor is defective, you need to replace it. Dishwasher motors can't be serviced.
Posted on May 28, 2009
remove the kick panel below the door, place a pan, etc under where the drain hose connects to the drain extension tube, and slide the clamp back some so you can slide the hose off of the extension tube (white plastic tube) and drain any excess fluid into the aforementioned pan, etc., then unscrew the extension tube and check for plugs, or restrictions.
the sump may also be pluged beneath the strainer assembly, and that requires removing the lower spray arm, the water tube that runs up the inside back of the unit, and the upper parts of the assembly below them to access the drain/pump sump area.
last but not least the impeller is jamed and might be able to be freed by removing whatever has lodged within there..
ya never know...
best of luck,
Posted on Oct 25, 2009
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