Instruction manual

6. Problems and remedies
If something goes wrong, refer to the following chart and remedy problems .
If you cannot solve your problems, please contact either our distributor who sold it to
you or us .
Problems
Causes Remedies
Protective device (or breaker)
>* Inspect and repair.
activates.
Electric source cable is loose
Check connection.
or cut.
Repair or replace.
Voltage drops. Check size and length of cable.
Motor does
not rotate. Motor malfunctions.
>* Inspect and repair.
Pump malfunctions.
>* Inspect and repair.
Foreign matter enters.
Motor protection gear Air outlet
is clogged.
activates. Reset
Ihermal protector.
>* In specl and repair.
Protective device (or breaker)
>* In spect and repair.
activates.
Voltage drops. Check size and length of cable.
Motor malfunctions.
>* Inspect and repair.
Pump malfunctions.
>* In spect and rep a ir .
Foreign matter enters.
Motor stops soon.
Improper exhaust piping.
Check exhaust pipi
ng diameter and
length.
Air outlet is clogged.
Remove blank flange from exhaust
outlet.
Motor protection gear Air outlet is clogged.
activates.
Reset thermal protector.
>* Inspect and repair.
Air leaks from piping. Check tightness of piping.
O-ring is damaged. Replace.
Moisture and solvent are
Open inlet to atmosphere and operate
drawn. for a few minutes and then close inlet
Ultimate pressure
is
and operate for about 24 hours.
insufficient.
Do air-flush operation.
Install trap and filter.
Number of motor revolutions
Check wiring and voltage.
drops.
>* Inspect and repair.
Pump malfunctions.
>* Inspect and repair.
Connection becomes loose. Tighten connection.
>* Inspect and repair.
The inslallation is not
level.
Correct vacuum pump in clination within
Abnormal sound,
5°.
abnormal vibration
>* Inspect and repair.
Foreign matter enters pump.
>* Inspect and repair.
Motor malfunctions.
>* Inspect and repair.
Pump malfunctions.
>* Inspect and repair.
* Contact our dlstrtbutor who sold it to you.
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