I/W Upon arrival had customer set thermostat to call for cooling. Outdoor condenser is not turning on to run Check applied voltage @ heavy duty multi-voltage electrical distribution switch. 200-208 volts Check 24 voltage across coil. Voltage is being lost to power compressor. Distribution switch was not sending voltage to top half of distribution switch. Removed distribution switch to replace when it was discovered that switch had been burnt. Installed new heavy duty multi-voltage electrical automatic distribution switch. System is back up and running. Check pressure and temperature to be stable Normal operation @ this time. 2nd floor system was left operational View visual findings from this job here - https://visionshare.xoi.io/?id=XA-A3D0-AE53AB52CC964AD69A1BE1537F1BF583