AGROSE ATT-1000, Owner'S Manual

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TABLE 4A
20.TROUBLESHOOTING
FAILURE CAUSE REPAIR
Pump does not suck enough water or is not working. Valves are not seated well. Check valve seats. Service.
The external filter is clogged. Remove external filter cap, clean the filter.
Air in the suction line. Tighten the suction hose clamps.
Check the suction elbow O-rings.
Tighten the cap of the external filter with check valve
and its connections.
6 m external suction hose is not sucking. Ejector
does not work. Ejector takes air from the joining elements. Check the tightness of the ejector connections.
Ejector nozzle is clogged. Clean the ejector nozzle.
Air in the 6 m external suction hose. Tighten the 6 m external suction hose clamps.
Check the O-rings on the ejector side of the external
suction hose.
6 m external suction filter is clogged. Clean 6 m external suction filter.
Manometer is vibrating too much. The flow is
irregular. Air in the suction line or air is not released from the
pump thoroughly. Check suction hose and line, run the pump while the
taps are open.
Not enough air pressure in the air chamber or
diaphragm is torn.
Check the air chamber pressure (It must be 1/10thof
the working pressure).Replace the diaphragm if torn.
Air in the air chamber is not correct.
Check the air chamber pressure (It must be 1/10thof
the working pressure).
Low volumetric rate or pressure is not enough. Distributing valve failure. Service.
Air in the suction line. Tighten the suction hose clamps.
Check the suction elbow O-rings.
Tighten the nut and cap of the external filter with
check valve and its connections.