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8
MAINTENANCE/ Service
1) The electric oil-free air compressor is oil-free lubrication, and it is strictly
prohibited to fill any lubricating oil.
2) The machine should be used in the process of drainage once every one to
two days, cleaning the noise filter.
3) If the electric oil-free air compressor stops suddenly and cannot be
restarted in a short time (the voltage is normal) during the working process, it
may be because the motor of the air compressor head works for a long time is
overheated, and the motor heat protector automatically disconnects the power
to protect the motor. This is a normal phenomenon. When the temperature
decreases, the compressor will automatically start and continue to work.
4) The electric oil-free air compressor can not start normally, please check
whether the power supply is normal, whether the power plug contact is good,
if these are normal, it may be the motor itself or the control system fault, if you
can not solve it by yourself, please contact our company through the seller for
maintenance.
Air compressor common fault maintenance
Fault Phenomenon
Possible Reasons
Treatment
The motor can not
be turned and there
is no sound
1. No power on
2. Pressure switch
disconnected
3. Fuse blown
4. Overload protector in
protection state
5. Pressure switch damaged
6. motor stator winding burned
7. Time relay dropped or
damaged 8 AC contactor
damaged
1. Check the plug and
switch
2. Reset the switch
and determine the
cause
3. Replace the fuse
4. The motor will
restart after cooling
5. Contact a reliable
service center
6. Replace the stator
7. Check or replace
8. Check or replace
The motor has a
current sound but
does not run or the
speed is very slow
1. The voltage is too low.
2. The capacity of the starting
capacitor is reduced or
damaged.
3. The motor coil is short
circuit or open circuit
1. Check that the
voltage is not less than
10% of the rated
voltage.
2. Check or replace
the voltage.
3. Contact the reliable
service center
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