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Failure
Cause of the failure
Repair
The equipment absorbs
product and generates
pressure on closing the
stopcock, but the pressure
drops sharply when the
trigger is pressed
Pronounces horns or
stripes appear at the
edges of the spray width
Defective lower anti-return valve connection.
The suction probe and/or suction filter are loose,
dirty or damged
The suction probe is worn
The gun is not fitted with a cap
The gun filter is clogged
The cap is worn
The paint is too thick
The material is too thick
Insufficient pumping pressure
The gun filter is clogged
The suction probe and/or suction filter are loose,
dirty or damged
Replace the anti-return connection. Tighten
the suction probe, and clean or replace the
suction probe and the suction filter
Replace the suction probe
Fit a cap
Clean or replace
Replace with a new cap
Dilute the paint with solvent
Dilute the product to the correct viscosity
Turn the pressure regulator to increase the
pumping pressure
Clean or replace
Tighten and/or clean or replace the suction
probe and the suction filter
The Product is not sprayed
Oil is discharged from the
gun or drain
The motor overheats
The unit builds up too much
pressure
The product Filter is blocked
The Aircap is blocked
The purge stopcock is open or faulty
The anti-return valve is dirty or damaged
The motor thermal protection switch operated
The diaphragm is broken or punctured
Check to see if the equipment is being used at
pressures in excess of those permited
Incorrect power supply to the motor
Motor cooling air inlet is blocked
Motor bearings are worn
The pressure regulator is damaged
The is a fault in the hydraulic circuit
Clean it or Replace it
Clean it and/or Replace it
Close it or replace it
Clean it or Replace it
The motor switch is off due to overheating.
Wait to cool and restart the job.
Replace the diaphragm
Check that the air inlet pressure regulator
operates correctly
Check the power supply to the motor
Place the equipment in a location where
the ventilator air intake is not impeded
Replace the bearings or the motor
Replace it
Send the unit to the S.A.T. SAGOLA
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