Fault Codes:Hyundai HX220 NL EPFC 164-4
Solution:
1. Check for open circuits or short circuits in the CR-47(#85)-CN-54(#9) line 2. Check for open circuit or short circuit in the CR-47(#30,#86)- fuse box (#28) circuit
Fault Description:
(Testing conditions (When the working cut-off relay is closed The working cut-off relay drive unit measures a voltage of no more than 3.0V for 10 seconds (Conditions for termination (When the working cut-off relay is closed For 3 seconds, the working cut-off relay drive unit measures a voltage greater than 3.0V
Fault Location:
1. Control function -(Wheeled excavator) The hydraulic pilot pressure cut-off of the accessory fails in the driving mode
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