DURST LABORATOR 1200 HEAD QUESTION

Discussion in 'Darkroom Equipment' started by martellsv, Dec 4, 2013.

  1. martellsv

    martellsv Member

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    I have a problem with my durst laborator 1200, it has a color head cls501 but the fan that is inside it doesn't work, chasis of my enlarger is very hot,
    but it seems that is not affected either the film nor the difusion box. My lpl 7700 also color head has been designed without fan and is also very hot.
    is this ok or will i have a problem in the future?
    thanks
     
  2. paul_c5x4

    paul_c5x4 Subscriber

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    Are the bearings in the fan seized - You may have to partially dismantle the head to find out.
    If the bearings are OK, then it is a case of fault-finding. Check to see if power is getting to the fan, then work your way back to the PSU. From memory, I think the fan is 240V so be careful when checking the voltages.
     
  3. ath

    ath Member

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    Maybe someone disconnected the fan to reduce vibrations?
    The fan should run from 24V, at least mine does.
     
  4. ndrs

    ndrs Subscriber

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    It won't be a problem until the day you'll forget to switch the lamp off. I would take it apart and fix the fan.
    If vibration is an issue, adding a switch for the fan is better than disconnecting it permanently.
     
  5. resummerfield

    resummerfield Subscriber

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    Exactly... These fans do fail. I would take it apart and fix the fan.
     
  6. RalphLambrecht

    RalphLambrecht Subscriber

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    mne never failed in 10 years. can you replace it with a fan from a computer supplies store?:munch:
     
  7. frobozz

    frobozz Subscriber

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    24V fans are a bit unusual, the computer fans are all going to be 12V.

    Duncan
     
  8. ath

    ath Member

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    The form factor is also quite different.
    Looks like a special fan.
     
  9. resummerfield

    resummerfield Subscriber

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    They are reliable... I've had mine 9 years with no problems. But I did have a fan fail on a larger L1840, with disastrous consequences.

    Try Jensen at Durst-Pro USA. He still sells the enlargers and parts.
     
  10. martellsv

    martellsv Member

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    I set up the power supply to 220v fan switch on and seconds later Switch off
     
  11. martellsv

    martellsv Member

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    Thanks a lot