(1) circuit fault: circuit break, short circuit, poor contact of connector, switch failure, etc.;
(2) battery power shortage: measure the battery voltage, if lower than 24V(2 batteries), charge;
(3) the hydraulic handle is not reset: the diesel engine cannot start with load, and the operating rod is reset;
(4) the quick feed and pull button is in the open position: the diesel engine cannot start with load, and the button is in the stop position;
(5) the mud rotation button is in the open position: the diesel engine cannot start with load, and the button is in the stop position.
(6) the quick button is in the open position: the diesel engine cannot start with load, and the button is in the stop position;
(7) the startup button is not in place, or the startup time is short; Press the button hard, and press it for a little longer in cold weather;
(8) the power switch is not closed: close the switch;
(9) oil circuit air resistance: loosen the open air screw and press the hand pump to exhaust;
(10) shortage of oil: refueling;
(11) stop the solenoid valve and do not operate: maintain the solenoid valve;
(12) fuse fuse: replace the fuse;
(13) the emergency stop button is pressed down: the emergency stop button is reset;
(14) cold weather in winter: start after heating the circulating water.
