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  1. 08-12-2008, 10:50 AM #1
    pwweston
    pwweston is offline New Guest
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    York air cooled screw

    We are having a problem with the display blank and erratic chiller operation. We can't see anything on the display. Now Chiller will not run at all.

    Model # YCAS0330EC58YFADBXXXXXX42CXXXXXXXXWSAXXBXXXXXXLXXE
    Serial # RDLM003021

    Any thoughts would be much appreciated.
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  2. 08-12-2008, 11:14 AM #2
    kwhit
    kwhit is offline Professional Member
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    Buy a Trane!
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  3. 08-12-2008, 07:31 PM #3
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    jayguy
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    check the main circuit breaker...if it is off then perhaps it needs to be turned on...if it is locked out/tagged out or if it is tripped, then do NOT turn it on. otherwise, if this is all of the troubleshooting that you can provide...i would suggest that you call a qualified HVACR company for further diagnosis...we all just want everybody to go home safe.

    good luck.
    The weak aren't destroyed by the strong.
    The weak are destroyed by the under-estimated.

    I know a famous song that ends in 'my nose'. The artist is dead. Know who?
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  4. 08-14-2008, 11:40 PM #4
    oly77
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    Check all Jack/ plugs'' ''some wire'' ''some fuse port,,for chiller vibration .
    juan clavell santiago
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  5. 08-16-2008, 03:38 AM #5
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    york56
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    Open up swing door check power supply to display disconnect plug wires #10 & #12 there should be 12 volts dc. if not go to power supply board and test power at J6 . You should test and check power suppy fully. As for erratic operation you need display to see whats going on first.
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  6. 08-16-2008, 03:42 AM #6
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    mustardman
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    Hey Jayguy pretty funny post considering that is my BOSS I am not kidding either. Perhaps you can answer his question for me any help would be much appreciated. PWW its one of your interior boys here i think you know which one.
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  7. 08-16-2008, 04:15 AM #7
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    HVAC9900
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    This may be a bit redundant,but if you have no display,and the chiller isn't running,the control power circuit,usually(not always) 120v,may be having a problem.
    There is usually either a line volt to 120 trans,or a dedicated 120 line ,with a fuse or breaker,inside the control panel.Sometimes there is a ups on this circuit too.

    Could be as simple as a fuse/breaker,and maybe not.
    GO DAWGS!
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