Troubleshooting Compressor Windings
For those with the appropriate skill level, I found these two items of interest to help evaluate leaky or failed insulation on air conditioner compressor motor windings. Readings are taken across the ...
Forum Discussion
Chris Bryant wrote:
I can count on one hand the number of failed compressors I’ve run in to in 30 years of servicing them.
I dare not doubt that - yet if the meter findings are significantly askew, it might indicate the presence of a leaky winding (or even a pending failure) which could explain why *running amps (via clamp-on meter) exceed mfg’s published running amps...This would naturally assume that the **caps (or in some cases, the soft-start device) are in good shape. Just saying...
*Note that running amps involve compressor and fan.
**Warning: the caps contain very high voltage and should only be serviced by a qualified technician...
3 tons
