Carrier L4 Error Code
Phase Current Sampling Fault.
ac
Phase Current Sampling Fault
Cause: Current sampling circuit fault on outdoor PCB
How to fix: Check current sensor/shunt on outdoor PCB, replace PCB if faulty.
Carrier boards that may fix L4
If the board is the cause, these refurbished Carrier boards are in stock. Match the part number before you order.
Carrier SKFN50PG Inverter PCB
From ₹2,800
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Carrier Voltas Godrej SKFW50C4 Outdoor PCB
From ₹5,500
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Carrier P-Series 42QP8A5501C 2 Ton Non Inverter PCB
From ₹2,800
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CACE-KFR50G Non Inverter PCB
From ₹1,800
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