Remedy In Case Of Faults - WAGNER ProSpray 23 Operating Manual

9. Remedy in case of faults

Type of malfunction
Unit does not start
Unit does not suck in
Unit sucks, but the
pressure does not
build up
ProSpray 23
Possible cause
Check light does not indicate
operational readiness.
No voltage applied.
The unit switches off automati-
cally if an overload occurs.
The unit does not switch on
again automatically.
Pressure setting too low.
ON/OFF switch defective.
Carbon brushes in motor are
used up.
Relief valve is set to SPRAY
( p spray).
Filter projects over the fluid
level and sucks air.
Filter clogged.
Unit on high carriage
Suction tube is loose, i.e. the
unit is sucking in outside air.
Unit on low carriage
Suction hose is loose, i.e. the
unit is sucking in outside air.
Tip heavily worn.
Top too large.
Pressure setting too low.
Filter clogged.
Coating material flows
through the return hose when
the relief valve is in the SPRAY
( p spray) position.
Packings sticky or worn.
Valve balls worn.
Valve seats worn.
g
Measures for eliminating the malfunction
Check voltage supply.
Switch the unit OFF. Press the excess-current circuit
breaker after 2 – 3 minutes and switch unit ON again.
Turn up pressure regulator knob.
Replace
Replace
Set relief valve to PRIME (k circulation).
Refill the coating material.
Clean or replace the filter.
Clean connecting points. Tighten suction tube.
Clean connecting points. Replace O-rings if
necessary. Secure suction hose with retaining clip.
Replace
For selection of a smaller tip, see Tip table on
Page 50.
Turn pressure regulator knob to a higher number.
Clean or replace the filter.
Remove and clean or replace relief valve.
Remove and clean or replace packings.
Remove and replace valve balls.
Remove and replace valve seats.
Remedy in case of faults
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