HARNESS AS 1673538 - Caterpillar

this section, a problem will be highlighted. Possible causes of the problem will appear in a list below the problem.The temperature of the oil is too high.
Wrong oil viscosity
Excessive wear in the pump
Restriction in an oil passage
Excessive load on the system
Oil aeration
Low oil level
Wrong setting of flow compensator valve
High outside air temperatureThe pump makes unusual noise. The cylinder rods do not move smoothly and there are air bubbles in the oil.
Wrong oil viscosity
Oil aeration
Excessive wear in the pump
Low oil levelThere is a large amount of air in the oil.
Oil aeration
Low oil level
Leakage around cylinder sealsThe setting for low pressure standby is too low.
Low margin pressureThe setting for low pressure standby is too high.
High margin pressure
Signal pressure above zeroThe margin pressure is too low.
Wrong setting of flow compensator valve
Broken spring in flow compensator valve
Malfunctioning pump
Wrong setting of pressure compensator valve
Broken spring in pressure compensator valve
Leak in the signal networkThe margin pressure is too high.
Wrong setting of flow compensator valvePump discharge pressure is too high.
Wrong setting of pressure compensator valve
Malfunctioning pressure compensator valve
Malfunctioning pumpPump discharge pressure is too low.
Wrong setting of pressure compensator valve
Broken spring in pressure compensator valve
Low setting of line relief valve
Leak in the signal networkThere is a pause before pressure is reached in all circuits.
Air in the signal network
Dirt or debris in resolverSignal pressure is not zero when all valves are in the HOLD position.
Activated control lever
Pressure in signal networkAny attachment moves with the control levers in the HOLD position.
Excessive wear in the control valve
Wear in the cylinders
Leakage between the valve and the cylindersThe control stem on a valve will not shift into the body.
Contamination in the end housingThere is excessive drift in the attachments.
Wear in the cylinders
Leakage around a makeup valve
Incorrect position of spool in the main control valve
Excessive wear in the control valveThe attachments droop when the attachments are raised.
Air in the signal network
Dirt or debris in the resolver
Wrong setting of flow compensator valve
Broken spring in flow compensator valveThe cycle times of the attachments are too slow.
Leakage in the signal network
Incorrect setting of margin pressure
Malfunctioning pumpThe bulldozer blade moves upward while the control lever is in the HOLD position.
Malfunctioning makeup valveThe cycle times of the attachments are too fast.
Incorrect setting of margin pressureThere is too long of a pause at ground level before the bulldozer starts to raise.
Sticking spool in return oil restrictorThe line relief valves are too noisy.
Low setting of line relief valve
Broken spring in line relief valve
Wrong setting of pressure compensator valve