12
Performance Series 450e
GB
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
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.
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. Replace O-rings if
necessary. Secure suction hose with retaining clip.
1. Replace
2. Replace tip.
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.
9.
Remedy in case of faults
