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Thread: GE Profile Oven Temperature Problem

  1. #1
    Join Date
    May 2012
    Location
    Keller TX
    Posts
    3

    Default GE Profile Oven Temperature Problem

    Model Number: PK916SM1SS
    Brand: GE
    Age: 1-5 years

    My GE Profile PK916 wall installed single oven is under heating by 25 degrees at 350 (bake) and below set temperature and over heating by 25 degrees at at 400 degrees and above. This corresponds to things I cook not getting done at 300 or 350, or getting burned at 400 and 450. GE service says that since there is no error code on the display, that the actual temperature could be 20-40 plus or minus, so... no problem. But of course that doesn't fix my undercooked or burned food. I've asked for another GE dispatch, so what should I get them to check? I'm using a Taylor mercury oven thermometer, and a Polder analog (regular) oven thermometer as well to check against the GE display readings. Help! and thanks.

  2. #2
    Join Date
    Jul 2006
    Location
    Murray, Utah, United States
    Posts
    18,696

    Default

    The way I get an accurate oven temperature is to start with a cold oven. I use a Fluke 777 with a thermal couple. Set the temperature at 350*F. Write down the temperature it cycles off at. That's one cycle. Then write down the temperature when it cycles back on for a total five cycles. When you have ten temperatures written down, add them together and divide it by ten. That will give you the average temperature for that amount of time.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
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  3. #3
    Join Date
    May 2012
    Location
    Keller TX
    Posts
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    OK, so I did the multiple cycle tests at difference temperatures and got the averages at each temperature. The results were at 300 degrees set temp, avg was 270 degrees; at 350 degrees, avg was 325; at 400 degrees avg was 412, and at 450 degrees avg was 464. So my oven shows a range of 30 degrees too low at 300 set, and 14 degrees to hot at 450 set. But that doesn't solve the problem of undercooked meat at the low end, and burned pizza at the high end. With these numbers, would any of you repair professionals recommend changing the temp sensor and/or the control card? Thanks again.

  4. #4
    Join Date
    Jul 2006
    Location
    Murray, Utah, United States
    Posts
    18,696

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    What reading do you get on the oven sensor? It should read 1080 ohms at room temperature. This is what it said on the tech sheet: "Testing has shown that this oven has the best cooking performance at a control setting of 350F when the AVERAGE center oven temperature is between 335F and 395F (depending on model)."
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  5. #5
    Join Date
    May 2012
    Location
    Keller TX
    Posts
    3

    Default

    Rick: I will get the tech to ohm the oven sensor, thanks for the 1080 spec. When I checked the air temp at 350 degrees set, I got readings of 305, 340, and 330, for an average of 325 degrees. So maybe 10 degrees low. But upping the oven calibration by 10 degrees would only help at 350 set temperature, since my test show 25-30 low at 300 degrees, and 10-20 degrees high at 450 degrees... Other than ohmiing the sensor, are there any other test to check the control boards the sensor plugs into? Thanks.

  6. #6
    Join Date
    Jul 2006
    Location
    Murray, Utah, United States
    Posts
    18,696

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    L1-N and COM-N should have 120 VAC all the time and L1-L2 should have 220 VAC all the time.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

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