Safety Notifications Maintenance Safety PROHIBITED: WARNING: • Do not pierce or burn. • If the unit location is more than 6 feet high, please wear a safety helmet, gloves and a safety belt. • Please note that refrigerant may be odorless. •...
Error Codes Outdoor Unit Error Codes (UUC136WC*/UUC148WC* Only) Fault LED Status Remarks Normal Operation Green LED on If it occurs 3 times within 20 mins, High Pressure Error Green LED flash 1 time every 5s unit can not reset unless power is disconnected and then reapplied.
Troubleshooting UUC112WC* / UUC118WC* / UUC124WC* / UUC130WC* Fan Motor Not Operating Compressor Not Operating Start Start Fan motor will not operate Compressor will not operate Inspect wiring and verify for Inspect wiring and verify for proper voltage proper voltage Check fan capacitor Check compressor capacitor Pass...
Troubleshooting UUC136WC* / UUC148WC* T3 Condenser Temperature Sensor Start CN16 is the T3 outdoor unit heat exchanger sensor connection. For the 36/48K models, this is connected Condenser temperature sensor abnormal to a fixed resistor - the resistor is 5KΩ. Check the connection between sensor and PCB Check if the sensor is open or closed? Closed...
Troubleshooting Low Pressure Error (UUC148WC* unit only) Start CN17 is the low pressure switch connection. When this connection is open, the unit will show low pressure error. When this connection is closed, unit Low Pressure error will be normal, or it is PCB problem. Lack of refrigerant? Repair the leak &...
Troubleshooting Fan Motor Error Start Fan motor error Check DC fan motor wiring Error Correct or repair wiring according to the wiring diagram Check fan driver Error Replace fan driver board board for damage Check the CN8 Error Replace the main PCB port of main PCB Fan Motor Rated Voltage 310VDC...
3rd Party Coil Matching For customers installing our 14 SEER Side-discharge product to match with the AHRI approved 3rd Party coils, it will eligible for a standard 7 year compressor/5 year parts limited warranty and the 10 year compressor and parts standard registered limited warranty, subject to the other limitations in the standard warranty document.