35
OPERATING MANUAL
VERSION 12 / 2012 ORDER NUMBER DOC 2332848
8 TROUBLE SHOOTING AND RECTIFICATION
Problem Cause Remedy
The unit does not
work.
The unit has no compressed air. Check the compressed air supply line and the air
cut-o valve.
Check the compressed air maintenance unit
(if available).
The material pressure regulator
is set to 0 (ZIP52 Finishing).
Check the pressure setting on the material
pressure regulator. If necessary, increase the
pressure.
The pump is blocked near the
switch-over point.
Close the air cut-o valve. Turn the pressure
regulator knob approximately half a turn
clockwise. Open the air cut-o valve again.
Repeat until the pump starts.
Fine Flow Controller
(or material lter on the ZIP52 PF
Eco-Finishing) is clogged.
Clean or replace the lter.
The unit is working
(i.e. the pump is
moving), but no uid
is delivered.
No uid is available at the
pump’s inlet.
Check the uid level in the tank or container.
Air suction lter clogged. Carefully clean the lter.
The suction pipe is clogged or
leaking (possibility of sucking air
in from the atmosphere).
Check the suction pipe. Replace it if necessary.
The material ow is
irregular or decreases
during work.
Suction problems. Check the suction pipe to see if it is partially
clogged. Replace it if necessary.
Conveying problems. Partial clogging of the delivery line or the paint
hose. Clean or replace.
Non-return valves are leaking. Contamination or wear in the non-return valves.
Check the non-return valves and replace if
necessary.
The unit works even
if the spray guns are
closed.
Non-return valves are leaking. Contamination or wear in the non-return valves.
Check the non-return valves and replace if
necessary.
The return valve is not closed
properly.
Check the return valve to see if it is open or
leaking.
The pump stops
often.
Low air pressure to the pump. Increase the air pressure.
Non-return valves' guides/stops
are worn.
Check the non-return valves. Replace the delivery
manifold or pump cover if necessary. When acetal
pump, the ball-guide can be replaced.
Ice formation inside the air
outlet pipes.
Check the compressed air quality.
Install a condensation separator on the air line.
Install an air dryer if necessary.
Fill one lubricant with special de-icing uid.
If the problem is not listed above, consult your WAGNER Service Center.