Forum Discussion
j-d
Mar 26, 2018Explorer II
ScottG wrote:
A blown cap doesn't have to look like the images I provided but if it does look like them it's bad.
If you can provide a pic of the caps, I may be able to tell you if it's blown for sure.
Scott
Absolutely! Some caps have a little blowout plug that'll show electrolyte when they fail.
I carry a spare for the RV A/C. Compressor was running hot (cycled out and had to cool) and didn't sound right. Decided to swap the spare in and the thing sounded right again, didn't cycle out. Fluke DVOM with Capacitance said the original was OK. This confirms what Scott is saying, just replace after awhile.
I'd have to go back and try to research, unless somebody here knows this cold: There's an "hours" rating as well as the uF and VAC spec for capacitors. I was paying twice at one appliance parts shop, for caps that weren't rated to last as long as the less expensive ones at another shop.
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