Mixing pump RITMO L / RITMO M Overview - Operation
Work on troubleshooting
50
2016-02-17
Fault
Possible cause
Solution
Rectification by
Machine
stops after a
short while
Strainer screen contaminated
Clean or replace strainer
Operator
Strainer sieve of pressure relieve
device contaminated
Clean or replace strainer
Operator
Hose connection or water pipe too
small
Increase
dimensions
of
hose
connection or water pipe
Operator
Water suction tube too long or
suction pressure too low
if
required,
connect
additional
pressure booster pump upstream
Service engineer
Machine does
not switch off
Air pressure safety switch set
incorrectly or defective
Adjust or replace air pressure safety
switch
Service engineer
Air pressure hose defective or
seals defective
Replace air pressure hose, replace
seals or check compressor
Service engineer
Air tap at the spraying gun
defective
Replace air tap
Service engineer
Power provided by compressor is
too low.
Check compressor
Service engineer
Air duct is not connected to the
compressor
Connect air duct to the compressor
Operator
Mortar flow
ceases (air
bubbles)
Bad mixture in mixing tube
Add more water
Operator
Material is clumped and narrows
the mixing tube inlet
Add more water or clean agitator or
replace
Operator
Material in mixing tube has
become wet
Empty mixing tube, dry it and start
again
Operator
Agitator defective
Replace agitator
Operator
Driving dog defective
Replace driving dog
Service engineer
Mortar flow
"thick-thin"
Too little water
Increase the water quantity by 10%
for approx. ½ minute and then turn
down slowly
Operator
Water safety switch set incorrectly
or defective
Adjust or replace water safety switch Service engineer
Agitator defective; no original PFT
agitator
Replace agitator with original PFT
agitator
Operator
Pressure reducer set incorrectly or
defective
Adjust or replace pressure reducer
Service engineer
Rotor worn or defective
Replace rotor
Service engineer
Stator worn or clamping bracket
tightened too little
Replace stator or re-tighten
clamping bracket
Service engineer
Clamping bracket defective (oval)
Replace clamping bracket
Service engineer
Inner wall of mortar hose defective Replace mortar hose
Operator
Rotor too deep in pressure flange
Replace pressure flange
Service engineer
No original PFT spare parts
Use original PFT spare parts
Service engineer