
10
12.
Failure and Countermeasure
Phenomenon
Causes
Failed to operate
Faile
d to suck oil
Oil leak out
Failed to clean oil
Pressure buzzer switch
rings
Countermeasure
Power source is not on.
○
Confirm power source.
Voltage failure
○
Set rated voltage
±
10%.
Power source
Poor piping
○
Maintenance and trouble
shooting of piping
Clog in piping
○
○
Clean piping
Pipi
ng
Poor piping
○
○
Maintenance and trouble
shooting of piping
Pump lock
○
Maintenance and trouble
shooting of pump
Rotor failure
○
Repair pump.
Defective oil seal
○
Repair pump.
Circul
ar pum
p
Defective relief valve
○
Repair pump.
Clog in element
○
○
Replace elements
Inferior element function
○
Replace elements.
Element
Failure in set up for filtering
time
○
Lengthen filtering time.
Note1) Pressure switch and buzzer are of option.
Note2) Fill in the form, the last page of this instruction manual, ‘Check list for the current
situation’ when you return this product due to failure. Attach this form to the product.
Note3) Inquire us any other unclear points.