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Fig. 3.0 PS2-A7A Wiring Diagram
9. Condensing Unit Troubleshooting
Unit not running
a. Incorrect power supply
b. Incorrect or loose wirings
c. Failed components
d. Liquid refrigerant in the compressor
e. Low pressure switch shutting down the unit
a. Check for proper voltage
b. Check all wirings and connections
c. Check start relay, start capacitor, overload
protector, compressor.
d. Call service for OEM information
e. Check for system restriction or low
refrigerant