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Thread: sb300

  1. 02-03-2015, 04:54 AM #1
    sly d.'s Avatar
    sly d.
    sly d. is offline Registered User Hey, I am new to : RE
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    sb300



    do anyone have the service manual on pdf for a sb 300
    Smart reefer. I need it really bad thanks


  2. 02-03-2015, 05:00 AM #2
    sly d.'s Avatar
    sly d.
    sly d. is offline Registered User Hey, I am new to : RE
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    sb 300

    I'm working on a thermoking sb 300 & it keep giving me
    a code 21 & 23 cooling cycle fault what could be the problem. I need help thanks in advance
  3. 03-03-2015, 02:55 AM #3
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    IRMechanik
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    Re: sb 300

    Quote Originally Posted by sly d. View Post
    I'm working on a thermoking sb 300 & it keep giving me
    a code 21 & 23 cooling cycle fault what could be the problem. I need help thanks in advance
    Unit is sensing a low temperature difference between return and discharge air. Most likely cause, low on *****.
  4. 07-03-2015, 04:54 PM #4
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    frigopat
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    Re: sb 300

    Check your gas pressure with your gauges.
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