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Hyundai excavator fault codes

Fault Codes:

Hyundai HX220 NL EPFC 179-4

Solution:

1. Check for open circuits or short circuits in the CN-508(#1)-CN-505(#90) lines 2. Check for open circuits or short circuits in the CN-508(#2)-CN-505(#44) lines

Fault Description:

(When the monitor - breaker/crusher is optional) (Testing conditions (When the working solenoid valve of the crusher is closed The safety solenoid valve drive unit of the attachment measures a voltage of no more than 3.0V for 10 seconds (Conditions for termination (When the working solenoid valve of the crusher is closed The safety solenoid valve drive unit of the attachment measures a voltage greater than 3.0V for 3 seconds

Fault Location:

1. Control Function - Optional accessory flow control failure of crushing operation (crushing mode)