wiwa Duomix 230, Руководство по эксплуатации

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44 Translation of the original operation manual
DUOMIX 230
DM230_BAoDB_en_1307 · rs
Rectification of faults
Fault Possible cause/s Remedy
The air motor ices very quickly and
the performance decreases.
1. The deicing system (optional) is
not switched on.
2. The water separator is full.
3. The unit is overloaded.
Ö
Switch on the deicing system
and, if necessary, the material
flow heater.
Ö
Drain the water separator.
Ö
Make sure the unit does not run
too fast (reference value: approx.
25 double strokes a minute).
Compressed air escaping from the
air motor at the guide axes.
The air motor seals are closed.
Ö
Seal the air motor again.
The air motor no longer works, even
though the compressed air supply
is assured. No material pressure
available in the unit.
The air motor control is defective. Have the air motor repaired in the
WIWA Service workshop.
The unit cannot be started. 1. The stop cock on the air mainte-
nance unit is closed.
Only with pressure and dosing
control:
1. The pressure supply for the con-
trol cabinet is interrupted.
2. The filter pressure regulator on
the control cabinet is incorrectly
adjusted.
Ö
Open the stop cock on the air
maintenance unit.
Only with pressure and dosing
control:
Ö
Ensure compressed air supply
on the control cabinet.
Ö
Set the pressure to 8-10 bar.
Only with pressure and dosing
control:
The unit can only be started for
a short while (only as long as the
START button is held depressed).
1. The switch "MANUAL/AUTO-
MATIC" is in position "AUTO-
MATIC".
2. The material pressure of the
hardening component is higher
than the red contact indicator for
high pressure warning.
3. The contact pressure gauge sub-
mits an incorrect signal.
Ö
Actuate the switch "MANUAL/
AUTOMATIC" to "MANUAL".
Ö
Relieve the material pressure.
Ö
Replace the contact pressure
gauge.
The contact pressure gauge indi-
cates pressure, even though the
pressure has been relieved.
The contact pressure gauge is
defective.
Ö
Replace the contact pressure
gauge.
The contact pressure gauge does
not indicate any pressure or only
up to a certain pressure. The unit is
under full air intake. When spraying
the pointer sticks at certain pressure
and does not pulsate.
The contact pressure gauge is
defective (oil has run out of the
pressure transmitter of the pressure
gauge).
Ö
Replace the contact pressure
gauge.
Hardener or paint runs out from the
adapter below the air motor.
The seals on the material pumps are
worn.
Replace packings and seals on the
material pumps.
A material flow heater (optional)
does not heat up.
1. The electric power supply is
interrupted.
2. The ambient temperature is
below 5 - 8 °C.
3. The material flow heater is
defective.
Ö
Check the electric power supply.
Ö
Press the button of the overload
protection until the glowing lamp
stays on.
Ö
Have the material flow heater
checked by expert personnel
with profound knowledge in the
field of electrical engineering.