Fault Codes:
Hyundai HX220 NL EPFC 133-4
Solution:
1. Check for open circuits or short circuits in the CD-517(#B)-CN-505(#52) lines 2. Check for open circuits or short circuits in the CD-517(#A)-CN-505(#43) lines 3. Check for open circuits or short circuits in the CD-517(#C)-CN-505(#24) lines
Fault Description:
For 10 seconds, the boom extends and the pilot pressure sensor measures that the voltage is less than 0.3V
Fault Location:
1. Monitor - Pilot pressure display for boom extension fault 2. Control Function - Variable power control of the engine has failed
