1

The motor is not running

The power supply voltage is incorrect

Input the required correct voltage

wrong connection

Connect the wires according to the electrical wiring diagram inside the pump cover

2

No oil output

Shou timesThe startup time is too short

Shou timesThe startup time should be at least 30 seconds

The air in the lubrication system has not been completely expelled

Using pre oil injection to fill the lubrication system with oil and exhaust the air in the lubrication system

3

The motor runs for 30 seconds without producing oil

Insufficient oil in the oil tank

Add clean lubricating oil to the oil tank to the height range indicated by the liquid level line

Blockage at the oil suction port

Check, clean or replace the oil filter screen at the suction port

4

Insufficient pressure

The pressure gauge is damaged and the indication is incorrect

Replace the qualified pressure gauge according to the pressure range requirements

Internal oil pipe detachment or leakage

Repair the detached oil pipe or apply sealant at the leakage site to treat the leak

5

Pressure switch out of control (SM-AC, SM-NC type programmable controllers)

Pressure switch damaged

Replace the pressure switch

The function settings on the program controller are incorrect

The number of cycles and timeout alarm function on the programmable controller must be set to a valid state

6

The indicator light is on, but the digits are not displayed or displayed incompletely (SM-AC, SM-NC type programmable controllers)

The connection between the display board plug and the computer board is loose

Insert the plug properly

The power supply does not meet the technical requirements

Check the power supply

There is serious interference on site

Eliminate sources of interference