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  1. Replies
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    Had one doing this last week. Harvest assist...

    Had one doing this last week. Harvest assist solenoid was bad. It was not pushing the ice sheet off the evap during harvest. The ice sheet would not fall on its own and would give the max harvest...
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    2,876

    Drain switch only cuts power to gas valve on the...

    Drain switch only cuts power to gas valve on the Frymaster fryers at McDonalds. The controller is powered by 12vac directly from the transformer in the back.
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    2,876

    I had this happen once at a McD's and after...

    I had this happen once at a McD's and after changing everthing you did, I found it was the transformer giving inconsistent voltage which leads to erratic probe readings. each vat has its own...
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    3,117

    This was good advice, except the harvest...

    This was good advice, except the harvest pressures are absolutely important. Thats why the manuals bother to list acceptable harvest pressures, and they are used when using the diagnostic flowcharts...
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    1,489

    If this unit is in a galvanized metal enclosure...

    If this unit is in a galvanized metal enclosure it is very likely that the freezer was 502 and the cooler is 22. However anything is possible. All of the old ones that we work on for McD's are...
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    2,290

    All you need is one of those terminal repair...

    All you need is one of those terminal repair kits, some spade terminals, a capacitor and youll be good :)
  7. Replies
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    3,611

    It looks like the evaporator is starving, could...

    It looks like the evaporator is starving, could be low on freon, could be a bad EEV, could be a dirty condensor causing low capacity, could be a bad suction line thermistor giving bad superheat...
  8. The ones I work on are usually in the airstream...

    The ones I work on are usually in the airstream of the condensor discharge and are set at 55 or 60 degrees. Never seen a two speed condensor fan at a McDonalds, but there are many different store...
  9. Hobart, yes. None of the others that I am aware...

    Hobart, yes. None of the others that I am aware of.
  10. Some of the ones we do still have A.D.A., John...

    Some of the ones we do still have A.D.A., John Zink, and Sunbeam units too. Oh yeah and don't forget McCann's, Honeywell, White Rodgers, Penn Ventilator, and Greenheck
  11. I work for a company that services about 100...

    I work for a company that services about 100 McDonalds stores. There is a pretty steep curve learning to work on equipment in these stores. Everything is custom made only for Mcdonalds. To get...
  12. Could be leaky harvest solenoid, could be bad...

    Could be leaky harvest solenoid, could be bad TXV, could be tubes separating off back of evap, could be high head pressure causing loss of capacity. These are just a few possibilities. Good Luck
  13. Replies
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    5,333

    Or if they rip the wire off of the drain switch,...

    Or if they rip the wire off of the drain switch, gas valve, or flame sensor while trying to open the drain valve, I have seen this many times.
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    1,129

    Check for loose ground connections, the selector...

    Check for loose ground connections, the selector switch is referenced to ground and so is the curtain switch, water probe, etc.. Loose ground=no lights on board. I have seen this once before. Machine...
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    1,020

    Heat any receivers, accumulators and bottom of...

    Heat any receivers, accumulators and bottom of compressor with system open to atmosphere to release the refrigerant that is held up in the oil in the system. This is most likely where the refrigerant...
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    2,586

    They are supposedly beverage experts, but none...

    They are supposedly beverage experts, but none that I have met can successfully connect a soda system in any reasonable amount of time. I also do beverage systems and compete directly with Kens as we...
  17. Replies
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    1,323

    Just off hand with a t/p chart evap coil temp...

    Just off hand with a t/p chart evap coil temp about 25 degrees low side should be around 60 high side depends on setting of water regulator valve, but should be adjusted to about 235-240. These of...
  18. Replies
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    1,650

    Are there two heaters? If so maybe the water pan...

    Are there two heaters? If so maybe the water pan heater is not working which results in not enough moisture. Good luck
  19. Replies
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    4,530

    Scotsman doesn't want the precharged linesets...

    Scotsman doesn't want the precharged linesets cut, however the coils are to be horizontal and are to be left between the suspended ceiling and the roof. I have found this to be a major pain in the...
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    2,524

    I bet that circ pump works really well with that...

    I bet that circ pump works really well with that st. 90 on it. :?
  21. Replies
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    2,326

    Turn the t-stat up to 80 and wait for the defrost...

    Turn the t-stat up to 80 and wait for the defrost which shouldn't be more than 4 hours away. Maybe pull off the X terminal if I have my 6way in my pocket. But come to think of it if I had my six way...
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    1,377

    FYI you can recall the errors in the controller...

    FYI you can recall the errors in the controller even if the store resets the controller before you get there. I can't recall the procedure but it is explained in the back of the Scotsman service...
  23. Replies
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    3,841

    It's Brockway Mountain, I went to Tech for a few...

    It's Brockway Mountain, I went to Tech for a few years and went up there several times.
  24. This has been common practice, as in the...

    This has been common practice, as in the rewiring/elimination of comp discharge sensor, for our company for a few years now. We work for about 75 McD stores and this "update" has always corrected the...
  25. Replies
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    1,752

    I may be wrong but that machine fills the water...

    I may be wrong but that machine fills the water trough twice during freeze cycle, and will only harvest after second batch of fill water is used up. Also I believe that a new controller needs to be...
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