[time-nuts] 53132A Cooling fan

Loïc Moreau loic.moreau at eai.fr
Sun Jan 11 10:54:35 EST 2015


Following your comments, i have opened the enclosure, disconnected the power supply and measured  the fan current ( 40mA) when connected to AC line.

Ordered a 4020 model 12V with the proper current, seems very common

My 53132A will be back on stage very soon 

Thanks for your help. 

Regards 
Loïc
   

-----Message d'origine-----
De : time-nuts [mailto:time-nuts-bounces at febo.com] De la part de Bob Camp
Envoyé : dimanche 11 janvier 2015 15:22
À : Discussion of precise time and frequency measurement
Objet : Re: [time-nuts] 53132A Cooling fan

Hi

A very normal “spiral of death” on the 53132 is the fan going out and the power supply following it a month or two later. The supply apparently does need the fan cooling to keep it happy. Since the fan runs whenever the counter is plugged in, the fan logs a lot of hours. If you do loose the power supply, the one in the 53181 will swap over to the 132. It’s not a cheap fix, but better than scrapping a 132.

Bob

> On Jan 11, 2015, at 12:59 AM, Loïc Moreau <loic.moreau at eai.fr> wrote:
> 
> Hi,
> My 53132A cooling fan is becoming extremely noisy so I have to fix it or find ear plugs fast.
> 
> If anybody as encountered the same problem witch I suppose is common I will be interested if there is replacement part easily available for that purpose.
> 
> Regards
> Loïc
> 
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