Hi, i have a E120B excavator s/n 7nf03215. I am trying to figure out how to read the blinking lights on the controller and the info on cat sis doesn't really make sense to me, wondering if someone could clarify a little better, the lights that i have on is 1(red solid), 4(green solid), 6(green blinking), 7(green solid), 8(green blinking) and 9(green solid). The issues i am having with this unit is hydraulics are slow, the boom cylinders drop within a few seconds and when i pull back on the joystick a little the boom drops even faster, then if i pull farther back on the joystick it finally starts to lift. Any help would be apprecitated.
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