SMC Networks PB1313A Operation Manual page 18

3)The discharge amount is
insufficient.
4)A lot of air bubbles come
out from the discharge
side (OUT port).
5)Transported fluid flows
out from exhaust port.
(EXH port)
6)Transported fluid or air
leaks from jointed part to
outside.
-Check valve at suction side (IN port) or
discharge side (OUT port) is clogged.
-Excessive viscosity of transported fluid.
-Large suction or discharge pump head.
-The filter of suction side (IN port) is
clogged.
-The filter of discharge side (OUT port) is
clogged.
-Insufficient air supply.
-Too small port size of transported fluid
piping.
-Back pressure is applied from the
discharge side (OUT port).
-Air is sucked from the suction side (IN
port).
-Sealing failure of fitting at suction side
(IN port).
-Damaged diaphragm
-Damaged diaphragm
-Damaged diaphragm
-Swelling, contraction, and deterioration
of the sealing.
-Excess supply air pressure
－17－
-Cleaning
-Non-conformance
-Reduce the pump head.
-Clean or replace the filter.
-Clean or replace the filter.
-Supply air at adequate
pressure.
-Increase the air supply.
-Remove the back pressure or
increase the air supply
pressure.
-Prevent suction.
-Ensure sufficient sealing.
-Replace the pump.
-Replace the pump.
-Replace the pump.
-Replace the pump.
-Supply air at appropriate
pressure.