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When the pump is pressed on the logic board pump comes on builds up pressure to pressure switch and shuts pump off. I can release the line from the pressure swith nipple and water starts flowing (pupm comes back on and will continue tro run until I hook it back up to the pressure switch , then it shuts down again. I've tried replacing the switch and assemble..no luck...replaced o ring kit on pump still no luck. Any suggestions ?
The pump is not suppose to run all the time.it should cut off until you pull draw handle . when handle is pulled pump should run for ten seconds or so.
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Have your electrical panel on the bottom open. While listening to the left hand power board, turn the left hand logic board mix potentiometer all the way clockwise. If not right away, within 10-15 seconds, you should hear a click and the mix refrigeration condenser fan should come on. If there's no click and the fan never comes on, check your hopper probe. If it is attached to other wires on the logic board, it should be separated for testing. Using an ohm meter, you should read between10K ohms (about 77 degrees) and 30Kohms (35 degrees) it should be in that range depending on whether you have anything in it or not. If its in this range and the potentiometer is turned all the way clock wise, then your powerboard is bad. If its a lot higher than 32K ohms, then most likey your probe is bad and the machine thinks its at temperature.
If the fan does come on then you will have to put refrigeration gauges on the mix refrigeration system. You should be reading 20PSI at the EPR valve and 1-10 PSI at the compressor. if you have those pressures, your compressor is working. if the pressures are equalized at anything above lets say 30PSI and theres no sign of change after a few minutes, then some component of the compressor has failed. it could be the relay, start capacitor, or the compressor itself. Of course if theres no pressure, you have a leak. Even with the proper pressures, you could be low on refrigerant. Check the whole system for leaks.
Since you didn't report any other problems, I am going to assume the machine is working otherwise. In that case, it is usually a bad logic board. Since the left and right side logic boards are the same, you could swap the two boards and see if the issue follows the board.
Most people will order the logic board and replace it themselves, avoiding a service call.
In soft serve and frozen yogurt machines, the logic board X36641SER2Refurbished Gen 2 Logic Board This item is sold with exchange...measures the viscosity of the product by monitoring the amp draw of the beater motor. When the machine reaches the set point, it cycles off and the product is ready. In auto mode, you can only adjust product viscosity, temperature in the freezing cylinder is not monitored.
The power board measures the amp draw. L1 power supplied to the beater motor goes through the power board on the beater terminals. Single phase and three phase units use the same Softech control, so the power board allows for different amp draw ranges. A jumper on the power board determines the amp draw range. Place the jumper on the pin that corresponds to the amp draw of the beater motor when the product is at the desired viscosity.
Setting Viscosity Adjustment
1. Place an amp probe on one of the L1 leads on the beater terminal on the power board.
2. Turn the viscosity adjustment screw to the "MAX" position.
3. With the freezer properly primed, press "AUTO".
4. During the freezing process, draw samples and inspect the product appearance. When the desired product viscosity and appearance is achieved, note the beater amperage.
5. Press "AUTO" to cancel the refrigeration cycle.
6. Using the chart, set what range the beater motor amperage falls into and place the jumper on the corresponding pin.
Viscosity Control Chart
2.4 pin - 1.2 amp to 2.4 amp
5.0 pin - 2.5 amp to 5.0 amp
8.0 pin - 5.7 amp to 11.2 amp
7. Press "AUTO". When amperage reaches the noted draw, turn the viscosity adjustment screw SLOWLY until the unit cycles off.
8. Draw several samples to verify the product and amperage when the machine cycles off remain consistent.
Adjusting Viscosity
To increase viscosity, or make the product harder, turn the dial clockwise towards maximum. Important: The dial only turns a limited amount if it stops turning do not force it.
To decrease the viscosity, or make the product softer, turn the dial counter-clockwise towards minimum. The dial only turns a limited amount do not force it once it stops.
We recommend you only turn the dial about 1 hour on the clock, at a time. Once you have made your adjustment, pull the handle to start a new cycle, when the machine cycles off check the product again. X36641SER2Refurbished Gen 2 Logic Board This item is sold with exchange...
if the product is frozen in the barrle for sure then you have a bad micro switch that is telling the compressor to keep running, but that product would be super frozen and come out in the shape of the barrel. if it is the consistancy of ice cream then your pump gasket might be bad and not properly pressurizing your barrel and giving you the impression of a frozen barrel.
sounds like a freon like to me if the compressor is running for long periods and not freezing properly or you have a water pressure issue. if it is water cooled which alot are it is hard to realize you have a freon leak.
There is a self test by holding the Mix,Wash and Pump keys on the logic panel while simultaneously turning on the power switch.Hold down the keys until all eight lights illuminate.Each light on the panel will not extinguish until the test is complete for that particular relay.Could be one of the relays is bad.
It sounds like you may have unwelded the suction line to the compressor and blew the compressor out. That is not good. How a Taylor works is this: Compressor comes on and produces a lot of heat. There are 3 ways to dissipate the heat. If there is a big radiator like set of copper and aluminum finned coils near the compressor it is air cooled. If there is a water line going in and a drain line coming out, it is water cooled, the water runs the whole time the compressors are running, the third way is to have an outside remote condenser coil. I believe you have a water cooled machine. On the back of the machine is a copper fitting to hook up the incoming water lline. There is also a drain line and water will flow constantly from it if everything is running alright. It is ok for the compressor to get hot when running, it is supposed to get hot. If you broke into the freon lines by mistake, the freon is gone and it won't show pressure anymore. I don't see any way that oil would have gotten into the water cooling line. To verify which is the cooling water, the copper lines will go into the back of the machine and will be wrapped around the outside of the compressor and then back to the drain at the back of the machine. If you blew the oil out of the compressor it will very soon lock up and be destroyed. Look at the line that you cut into.
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