| Products > Test Equipment |
| 53132A bad display |
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| uncle_bob:
--- Quote from: Robaroni on May 22, 2016, 12:14:00 pm ---There has to be a reason. When I pull mine apart to change the display board I'll check the temps on the SMPS. If the fan is indeed cooling off the supply I should be able to see it. Could it be that your supplies are going for another reason, are you sure it is the fan being off? I've been monitoring the fan all night with the instrument on and then off. I'm just not seeing any great variation in the temp, maybe a degree or two but several variables could be causing it. I think Gerry's been running for awhile with his mod. Rob --- End quote --- Hi Once we started replacing fans, the supplies stopped dying..... Bob |
| Robaroni:
Replacing fans? Are you saying the fans went bad? R |
| uncle_bob:
--- Quote from: Robaroni on May 22, 2016, 01:23:39 pm ---Replacing fans? Are you saying the fans went bad? R --- End quote --- Hi Nope, the dirt and the like got them really noisy. I suspect they were not moving as much air as they should have. We started pulling them wholesale and that did the trick. Bob |
| Robaroni:
Uncle Bob, Did these counters have any of the oven options? Rob |
| uncle_bob:
--- Quote from: Robaroni on May 22, 2016, 01:46:26 pm ---Uncle Bob, Did these counters have any of the oven options? Rob --- End quote --- Hi Nope, we run them all of of external standards in multiple plants. They were purchased over at least a 10 year span, so no, we didn't get a uniquely bad batch. It took us a while to figure things out. A lot of 53181's bit the dust "donating" their power supply to the 131's and 132's. Yes, hanging on to the rest of the chassis (for the DISPLAY) would have been a really good idea. Bob |
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