48
Translation of the original operation manual
Airless 270_BAoDB_en_1405 • 0550022 • jw
Rectification of faults
7
Recti
cation of faults
Fault
Possible cause
Remedy
Pressure release not possible
(compressed air shut-of
f valve
closed)
–
Drain hose or ball valve clogged.
³
Carefully release screw fittings and
cover with a rag
³
Remove hardened material with
solvent if possible, if necessary soak
parts in solvent or remove with other
mechanical means or replace
³
Contact WIW
A
service if necessary
–
High pressure
lter clogged.
Pump does not start, despite oper-
ation of spray gun or opened drain
valve (on high pressure
lter).
–
Compressed air shut-of
f valve
closed.
–
Open the compressed air shut-of
f
valve.
–
No air inlet pressure
(air regulator at 0 bar)
–
Increase air inlet pressure
–
Spray gun clogged
–
Check nozzle and
lter element, re-
place if required.
–
Drain hose or ball valve clogged.
–
Clean drain hose or ball valve, replace
if required.
–
Air motor defective.
–
Repair air motor by following the spare
parts list – if necessary call the custom-
er service for assistance.
Pump runs but no spraying materi-
al is transported to the nozzle.
–
Suction strainer clogged.
–
Clean strainer and replace if necessary
–
Suction hose clogged.
–
Replace the hose.
