Remedy In Case Of Faults - WAGNER ProSpray 3.39 Operating Manual

9.

Remedy in case of faults

Type of malfunction
A. Unit does not start
B. Unit does not draw in material
C. Unit draws in material, but the
pressure does not build up
D. Coating material exits at the top of
the fluid section
E. Increased pulsation at the spray
gun
F. Poor spray pattern
G. Unit loses power
Digital Electronic Spray Control (DESC) Error Messages
The following error message screens appear whenever the Digital Electronic
Spray Control (DESC) detects a problem with the sprayer. Once a problem
occurs and the error message appears, the sprayer will shut down.
Before proceeding, relieve any pressure remaining in the
system (valve position PRIME k). Additionally, follow all
other warnings to reduce the risk of an injection injury,
injury from moving parts or electric shock. Always unplug
the sprayer before servicing!
Check Transducer Screen
The Check Transducer screen appears when
the transducer has become disconnected or
is defective. Take the sprayer to a Wagner
authorized service center for repair.
Check Motor Screen
The Check Motor screen appears when the
motor or motor sensor is defective. Take the
sprayer to a Wagner authorized service center
for repair.
ProSpray 3.39
GB
Possible cause
1. No voltage applied.
2. Pressure setting too low.
3. ON/OFF switch defective.
1. Relief valve is set to SPRAY (p spray).
2. Filter projects over the fluid level and
sucks air.
3. Filter clogged.
4. Suction hose/suction tube is loose, i.e.
the unit is sucking in outside air.
1. Tip heavily worn.
2. Tip too large.
3. Pressure setting too low.
4. Filter clogged.
5. Coating material flows through the
return hose when the relief valve is in
the SPRAY (p spray) position.
6. Packings sticky or worn.
7. Valve balls worn.
8. Valve seats worn.
1. Upper packing is worn.
2. Piston is worn.
1. Incorrect high-pressure hose type.
2. Tip worn or too large.
3. Pressure too high.
1. Tip is too large for the coating
material which is to be sprayed.
2. Pressure setting incorrect.
3. Volume too low.
4. Coating material viscosity too high.
1. Pressure setting too low.
CHECK
TRANSDUCER
CHECK
MOTOR
Measures for eliminating the malfunction
1. Check voltage supply.
2. Turn up pressure control knob.
3. Replace.
1. Set relief valve to PRIME (k circulation).
2. Refill the coating material.
3. Clean or replace the filter.
4. Clean connecting points. Tighten suction tube.
1. Replace
2. For selection of a smaller tip, see Tip table on Page 20.
3. Turn pressure control knob clockwise to increase.
4. Clean or replace the filter.
5. Remove and clean or replace relief valve.
6. Remove and clean or replace packings.
7. Remove and replace valve balls.
8. Remove and replace valve seats.
1. Remove and replace packing.
2. Remove and replace piston.
1. Only use WAGNER original-high-pressure hoses in order
to ensure functionality, safety and durability.
2. Replace tip.
3. Turn pressure control knob to a lower number.
1. Replace tip, see Tip table on Page 20.
2. Turn pressure control knob until a satisfactory spraying
pattern is achieved.
3. Clean or replace all filters.
4. Thin out according to the manufacturer's instructions.
1. Turn pressure control knob clockwise to increase.
Low Voltage Screen
The Low Voltage screen appears when the
sprayer shuts down because of low input
voltage. Check the power supply and correct
the problem. Restart the sprayer.
High Motor Temperature Screen
The High Motor Temperature screen appears
when the temperature of the motor has risen too
high. Take the sprayer to a Wagner authorized
service center for repair.
High Control Temperature Screen
The High Control Temperature screen appears
when the temperature of the Digital Electronic
Spray Control (DESC) has risen too high. Take
the sprayer to a Wagner authorized service center for repair.
High Mechanical Load
The High Mechanical Load screen appears when
the sprayer shuts down because of high current
or when the sprayer goes into current fold back
mode. Take the sprayer to a Wagner authorized service center for repair.
15
Remedy in case of faults
LOW
VOLTAGE
HIGH MOTOR
TEMPERATURE
HIGH CONTROL
TEMPERATURE
HIGH MECHANICAL
LOAD