Fault Codes:
Hyundai HX220 NL EPFC 129-0
Solution:
1. Check for open circuits or short circuits in the CD-523(#B)-CN-505(#71) lines 2. Check for open circuits or short circuits in the CD-523(#A)-CN-505(#43) lines 3. Check for open circuits or short circuits in the CD-523(#C)-CN-505(#24) lines
Fault Description:
For 10 seconds, the boom retracts and the pilot pressure sensor measures a voltage greater than 4.8V
Fault Location:
1. Monitor - Pilot pressure display for boom retraction fault 2. Control function -IPC operation failed
