
LOTUS XS 230 V horizontal continuous mixer / Part 2 Overview, operation and service
Operation
5.13.3
Table of faults
Fault
Possible cause
Troubleshooting
Rectification by
Water pressure too low
Check the water supply, clean
the strainer screen
Operator
Machine does
not start water
The water pressure is too low
Install booster pump
Operator
Power supply not in order
Repair power supply
Service technician
"ON" pushbutton not pressed
Press green pushbutton
Operator
Machine does
not start current
RCD was triggered
Reset RCD
Service technician
Excessively thickened material
in mixing tube
Empty the mixing tube and start
again
Operator
Machine does
not start mate-
rial
Excessively dry material in
mixing tube
Empty the mixing tube and start
again
Operator
Solenoid valve (hole in
membrane blocked)
Clean solenoid valve
Service technician
Solenoid coil defective
Change solenoid coil
Service technician
Water inlet at mixing tube
blocked
Clean water inlet at mixing tube
Operator
Needle valve closed
Open needle valve
Operator
Water is not
flowing
Cable to solenoid valve defective Replace cable to solenoid valve
Service technician
Mixing motor defective
Replace the mixing motor
Service technician
Mixing motor
does not start
Connection cable defective
Change connection cable
Service technician
Water inlet screen contaminated Clean or replace filter
Operator
Hose connection or water supply
line too small
Enlarge hose connection or
water supply line
Operator
Machine stops
after a short
while
Water inlet pipe too long or inlet
pressure too low
Connect an additional booster
pump upstream if necessary
Service technician
Too little water
Increase the water quantity by
10% for approx. ½ minute and
then turn down slowly
Operator
Mixing shaft defective; no orig-
inal PFT agitator
Replace the mixing shaft with
original PFT agitator
Operator
Mortar flow
"thick-thin"
Pressure reducer set incorrectly
or defective
Adjust or replace pressure
reducer
Service technician
Poor mixing in mixing tube
Add more water
Operator
Material clumped or suction
pressure too low
Remove the material and clean
the water inlet
Operator
Material in material hopper has
become wet
Remove the wet material and
dry the material hopper
Operator
Mortar flow
ceases
Mixing shaft defective
Replace the mixing shaft
Operator
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