Mixing Pump RITMO XL FU 230/400 reversible Overview – Operation
Troubleshooting
2019-05-13
49
Fault
Possible cause
Troubleshooting
Rectified by
Mixing coil is defective, not
original PFT mixing coil
Replace mixing coil with original
PFT mixing coil
Operator
Pressure reducer is not in correct
position or is defective
Adjust or replace pressure reducer Service
mechanic
Rotor is worn out or defective
Rreplace rotor
Service
mechanic
Stator worn out or tensioning clip
is loosely tensioned
Replace stator or tighten
tensioning clip
Service
mechanic
Tensioning clip is defective (oval) Replace tensioning clip
Service
mechanic
Inner wall of mortar hose is
defective
Replace mortar hose
Operator
Rotor is too deep in the pressure
flange
Replace pressure flange
Service
mechanic
Not original PFT spare parts
Use original PFT spare parts
Service
mechanic
Water
ascends in
mixing tube
during
operation
Backlog pressure in mortar hose
higher than pump pressure
Tighten or replace stator
Service
mechanic
Rotor or stator is worn out
Replace rotor or stator
Service
mechanic
Hose clogging due to thick
mortar (high pressure due to low
water factor)
Remove hose clogger, increase
water factor
Service
mechanic
Red control
lamp (fault)
lights up
Overload due to stoppage of
pump with dry material
Let the machine run in the reverse
direction, else dismantle pump and
clean
Service
mechanic
Overload due to low water
volume
Increase water supply during start
Operator
Motor circuit breaker of pump
motor (16 A) tripped
Reactivate circuit breaker
Service
mechanic
Overload due to thickened
material in hopper
Clean hopper
Reactivate circuit breaker
Service
mechanic