Carrier L3 Error Code
Drive Phase Current Overload Fault.
ac
Drive Phase Current Overload Fault
Cause: Compressor drive phase current exceeded limit
How to fix: Check compressor load, winding resistance, and refrigerant charge.
Carrier boards that may fix L3
If the board is the cause, these refurbished Carrier boards are in stock. Match the part number before you order.
Carrier SKFN50PG Inverter PCB
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Carrier P-Series 42QP8A5501C 2 Ton Non Inverter PCB
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CACE-KFR50G Non Inverter PCB
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