Tech arrived and found low voltage fuse blown inside electric furnace after someone tried to replace thermostat due to thermostat scheduling issue. Tech tested blower and heat strips without issue. Found breaker for outdoor unit tripped. Confirmed compressor is shorted to ground. Has continuity in the megohm scale. Reset breaker and compressor did start. Tech suspects high wear and tear on compressor motor windings. Compressor is on its way out. 5uf side of 35/5uf capacitor is reading 6% weak at 4.66uf. 7.5uf blower capacitor is reading very weak at 4.6uf. We replaced a schraeder core and added refrigerant in 2022. Tested heat mode and defrost without further issues.