PRETREATmaker III
Troubleshooting
Nr
Problem
Possible Reason
Solution
1.
Streaking on the surface.
Irregular stream shape from
the nozzles.
1. The nozzles are clogged.
1. Clean the nozzles. See Manual Chapter 4.3.
2. Replace the clogged nozzle.
2. Filter is clogged.
Clean or replace the filter. See Manual Chapter 4.6.
2.
The pump generates no
pressure or the pressure is
too weak.
1. Filter is clogged.
Clean or replace the filter. See Manual Chapter 4.6.
2. Electronic valve or nozzle is
clogged (see Manual Chapter 4.8).
Product number 803422.
1. Check the nozzles for pollution.
2. Flush the pump with water: Change the precoating tube
with the water tube.
3. Change the connection of the precoating pump with the
water pump and check the functionality. See Manual
Chapter 1.8 or change electronics board Pos. 29 and 30.
3. The pump is dirty.
Clean the pump (Request Manual 1.7 from the Service).
4. The pump is faulty.
Replace the pump (Request Manual 1.9 from the Service).
3.
Carriage moves slower than
normal.
Err 2 or Err 3 shows up on
the display.
1. Rails are sticky from the pre-
coating, dirty or worn out.
Clean the rails. See Manual Chapter 4.2.
2. Slider elements N27 are dirty,
defective or worn out.
1. Lubricate the slider elements with a silicone spray.
2. Disassemble the slider elements and clean them or put
new elements in (Request Manual1.6 from the Service).
3. The toothed wheels or the gears
are soiled by the liquid.
Clean the toothed wheels and the gears with a brush and
water.
4. The toothed wheel has shifted on
the gears and the carriage is not
running parallel to the running rails.
Set the Carriage parallel to the running rails.
5. The tension of the toothed wheels
is too high.
Adjust the tension of the toothed wheels. These may only
be slightly tense.
6. The electric motor is very weak
and does not run smoothly.
Replace the electric motor. Please contact the Service.
4.
Carriage moves backwards
at normal speed. Err 2
shows up on the display.
The distance between the magnet
and the sensor on the carriage is
too big.Or the magnet is missing.
The magnet is located in the right
rear section.
Adjust the distance from the magnet. The distance must be
about 5-8 mm or 0.2 inches.
5.
Carriage moves forward at
normal speed. Err 3 shows
up on the display.
The distance between the magnet
and the sensor on the carriage is
too big. Or the magnet is missing.
The magnet is located in the right
front section.
Adjust the distance from the magnet. The distance must be
about 5-8 mm or 0.2 inches.
6.
The screen responds
incorrectly when pressing
the individual functions.
It activates a different
function than desired.
A tension problem in the fixture of
the display. The display is screwed
too tightly.
Slightly loosen all four mounting screws of the display.
Request Manual 1.10 from the Service (Picture 1)
7.
The display does not
respond to commands. No
functions possible. No
“beep” sound when using
it.
1. A loose contact on the cable
between the display and the
electronics.
Check the cable connection between the electronics and
the display and replace the cable if necessary.
2. Display failure.
Restart display. Take out the display and press the black
knob in the upper central part. The machine must be
switched on.
3. The display is defective.
Replace the display (Request Manual 1.10 from the
Service).
4. The electronics are defective.
Replace the electronics. See Manual Chapter 4.5.
8.
Err 1 shows up on the
display.
Communication error between the
electronics and the touch screen.
Turn the machine off and on again. If the error persists,
check the cable connection between the electronics and
the display. Replace the display and cable.
9.
Electronic valve sprays too
long or closes too late or
opens too late. See Figure
in Manual Chapter 4.8.
Product number 803422.
Electronic valve is clogged.
Replace the electronic valve. Request instructions from
service/support.
