PFT RITMO L plus - Page 49

Mixing pump RITMO L plus FC-230V Overview – Operation
Troubleshooting
2020-11-09 49
Malfunction Possible cause Solution Performed by
Water not
flowing
(flowmeter
does not
display
anything)
Solenoid valve (bore hole in
membrane blocked)
Clean the solenoid valve Service technician
Solenoid coil defective Replace the solenoid coil Service technician
Pressure reducing valve closed Open pressure reducing valve Operator
Water inlet in the rubber mixing
zone blocked
Clean water inlet in the rubber
mixing zone
Operator
Needle valve closed Open the needle valve Operator
Cable to solenoid valve defective Replace the cable to
solenoid valve
Service technician
Pump motor
will not start
Pump motor defective Replace pump motor Service technician
Defective connection cable Replace the connection cable Service technician
Plug or mounted socket defective Replace plug or mounted socket Service technician
Motor protection switch defective
or actuated
Replace or reset motor
protection switch
Service technician
Machine
stops after
a short period
Dirt trap screen is dirty Clean or replace the screen Operator
Pressure reducer filter dirty Clean or replace the screen Operator
Hose connection or water line
too small
Enlarge the hose connection
or water line
Operator
Water intake line too long or intake
pressure too weak
Connect an additional booster
pump, if necessary
Service technician
Machine will
not switch off
Air pressure safety switch
misadjusted or defective
Set or replace air pressure
safety switch
Service technician
Compressed air hose or gaskets
defective
Replace compressed air hose,
replace gaskets or check
compressor
Service technician
Air tap on spray gun defective Replace air tap Service technician
Insufficient compressor output Check compressor Service technician
Air supply not connected to
compressor
Connect air supply to compressor Operator
No mortar
flow (air
bubbles)
Poor mixing in mixing tube Add more water Operator
Mortar clogs and narrows mixing
tube inlet
Add more water or clean/replace
mixing shaft
Operator
Material in the mixing shaft has
become wet
Empty mixing shaft,
dry and begin again
Operator
Mixing shaft defective Replace mixing shaft Operator
Motor clutch defective Replace motor clutch Service technician