12 Performance Series 450e
Remedy in case of faults
Type of malfunction
A. Unitdoesnotstart
B. Unitdoesnotdrawinmaterial
C. Unitdrawsinmaterial,butthe
pressure does not build up
Possible cause
1. Novoltageapplied.
2. Pressure setting too low.
3. ON/OFFswitchdefective.
1. ReliefvalveissettoSPRAY(p
spray).
2. Filterprojectsovertheuidlevel
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. Coatingmaterialowsthroughthe
return hose when the relief valve is
intheSPRAY(pspray)position.
6. Packings sticky or worn.
7. Valveballsworn.
8. Valveseatsworn.
Measures for eliminating the malfunction
1. Check voltage supply.
2. Turn up pressure control knob.
3. Replace.
1. SetreliefvalvetoPRIME(kcirculation).
2. Rellthecoatingmaterial.
3. Cleanorreplacethelter.
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. Cleanorreplacethelter.
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