Carrier L1 Error Code
Drive Bus Voltage Overload Protection.
ac
Drive Bus Voltage Overload Protection
Cause: DC bus voltage too high
How to fix: Check PFC circuit and bus capacitor on outdoor PCB.
Carrier boards that may fix L1
If the board is the cause, these refurbished Carrier boards are in stock. Match the part number before you order.
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CACE-KFR50G Non Inverter PCB
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