Paul C. Buff, Inc. Technical Forum
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2nd Hand Einstiens - fan not working on one of them
http://paulcbuff-techforum.com/viewtopic.php?f=8&t=4374
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Author:  pduce [ Sat Mar 01, 2014 6:44 am ]
Post subject:  2nd Hand Einstiens - fan not working on one of them

Hi - I have just bought 2 Einsteins 640 from a Friend of mine (since deceased.. so cannot ask him) one of them the fan is on all the time, the other it is not. None of documentation I have found tells me if this is ok. Do the fans work all the time ... and therefore I have an issues with one, or do they turn on when needed?

Only testing them at the moment and no model lamps on - any advice on what I should do please? I do not want to break the one without the fan running ...

Thanks a lot in advance - a Paul Buff novice :?

Peter

Author:  BigIronCruiser [ Sat Mar 01, 2014 9:39 am ]
Post subject:  Re: 2nd Hand Einstiens - fan not working on one of them

pduce wrote:
Hi - I have just bought 2 Einsteins 640 from a Friend of mine (since deceased.. so cannot ask him) one of them the fan is on all the time, the other it is not. None of documentation I have found tells me if this is ok. Do the fans work all the time ... and therefore I have an issues with one, or do they turn on when needed?

Only testing them at the moment and no model lamps on - any advice on what I should do please? I do not want to break the one without the fan running ...

Thanks a lot in advance - a Paul Buff novice :?

Peter


As I recall, the Einstein fan used to run all the time. This was changed in one of the firmware updates such that the fan only comes on when the unit reaches some temperature threshold. Take a look at the firmware versions to see if they're the same. Updates can be downloaded from the Buff website.

Author:  Pxlwz [ Sun Mar 02, 2014 12:32 am ]
Post subject:  Re: 2nd Hand Einstiens - fan not working on one of them

I assume, like BIC, that the Firmware might be different: Version 29 changed the fan function, as to only run, when needed. See here:

http://www.paulcbuff.com/fw-e640-history.php

Author:  Technical Support [ Mon Mar 03, 2014 10:22 am ]
Post subject:  Re: 2nd Hand Einstiens - fan not working on one of them

Yes the E640 fan is constant once the unit is switched ON. However, from FW29 to present the fan is constant with variable speeds based temperature.

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