Mixing pump RITMO L plus FC-230V Overview – Operation
Troubleshooting
48
2020-11-09
51.4 Safety
Personal protective equipment
Wear the following protective equipment for all maintenance work:
Protective work clothing.
Protective goggle, protective gloves, safety shoes, ear protection.
Personnel
Unless otherwise stated, the troubleshooting methods detailed
here can be carried out by the machine operator.
Some tasks may only be carried out by specialist personnel
or the manufacturer. These are specially indicated in the
description of the individual malfunctions.
Work on electrical systems must always only be carried out by
qualified electricians.
51.5 Table of malfunctions
Malfunction Possible cause
Solution
Performed by
Machine does
not start
Water
Water pressure too low
Check the water supply,
clean the dirt trap screens
Operator
Gauge displays pressure
below 2.2
bar
Check pressure booster pump
Service technician
Machine does
not start
Power
Power cable is defective
Repair the power cable
Service technician
Main switch not activated
Turn on the main switch
Operator
FI circuit breaker triggered
Reset the FI circuit breaker
Service technician
Motor protection switch triggered
Turn the motor protection switch to
the position “1” in the control box
Service technician
Contactor is defective
Replace the contactor
Service technician
Fuse is defective
Replace the fuse
Service technician
Machine does
not start
Air
Insufficient pressure gradient in
remote control due to blocked
air line or air nozzle tube
Clean blocked air pipe or air
nozzle tube
Operator
Air safety switch incorrectly set
Adjust air safety switch
Service technician
Air compressor not connected
Connect air compressor
Operator
Machine does
not start
Material
Too much thickened material in
the hopper or mixing area
Half-empty the hopper and
restart it.
Operator
Material in pump component
too dry
Allow the machine to run
backwards, otherwise
remove pump and clean it
Service technician