Fault Codes:
Hyundai HX220 NL EPFC 831-2
Solution:
1. Check for open circuits or short circuits in the CN-11(#8)-CN-51(#09) lines 2. Check for open circuits or short circuits in the CN-11(#7)-CN-51(#08) lines
Fault Description:
(When installing the air conditioning controller The communication data of the air conditioning controller is incorrect for 60 seconds
Fault Location:
1. Control function - Air conditioning controller operation failure
