The 737 Jet Tech will not stop washing or drain. You have to open the door and get wet to stop it, then use the white drain button to let all the water out. When you try to close the door to allow the unit to heat up, it automatically begins to wash again........
The problem is the pressostat which is part of the water level system. Either the pressostat needs adjustment or replacement. the air trap at the back of the unit in the sump area may be loose or broken, this should be inspected. refer to http://www.mvpgroupcorp.com/jettech/737_exp_view.pdf .
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The reason the temperature are going up is the heating system is defective. The thermostat on the booster (rinse) is not satisfied. First thing to verify is the contactor that is activated by the rinse thermostat. Often one of the wires on the contactor will burn.
The 737, like most Jet=Tech models, requires to be drain empty at least once a day. If the unit is empty and it is started, it will take approximately 30 minutes for the machine to be ready. Which means, the unit will fill and then heat up both booster tank first and then wash tank. If after all that the wash temperature is not up to 150f then the wash thermostat needs to be either calibrated or replaced if the wash element is in good condition. It is assumed here that the booster temperature is reaching 180F. Search by part number or descriptionSearch by part number or description
Is this a dishwasher or a washing machine that you have a problem with.
The drum is usually in a washing machine. The motor you hear running is the drain motor. So this is a normal operation of front loading washing machines. When the drum stops spinning, the drain pump takes away the remaining water and then a timer lock comes into play to make sure the clothes are settled dowm before you can open the door.
So I do not see there is any problem. Please accept the solution if ok else post a comment to confirm the exact problem with your appliance.
The 737 model could run on even lower temperature (80F). Given time, the unit will heat up the water. the trick is to give it time.
That model is made for commercial use, not really for residential. It will not fully drain every cycles. The important thing to keep in mind is to empty the dishwasher (turn it off, pull the stand-pipe out, and drain) every night and left empty. When you want to use the unit, put the plug back in and turn it on, wait 20 to 30 minutes and it should be ready.
Bosch dishwashers have a seperate pump for washing and another for draining. Try making it fill more than once. There is usually a timed fill and the float stops it before it overfills It also might prevent it from washing without enouth water Try defeating the door switch and play with the float during fill. There may be a sensor that won't let it go into wash. Be prepared to get a little wet if it should start up suddenly. A slightly safer way is to fill it with the sprayer from the sink. and see if it will go into wash.