Schulze PRETREATmaker IV, Instruction Manual

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Version 18.02
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4.9 Troubleshooting
Look at the www.pretreatmaker.com to see the latest version of Troubleshooting
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.
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 doesn’t
move. There is a
noise coming from
the motor. 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.
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)
Possible reason Nr Problem Solution
Clean or replace the filter. See Manual Chapter 4.6.