Mixing pump RITMO L / RITMO M Overview - Operation
Work on troubleshooting
2016-02-17
49
41.6 Table of faults
Fault
Possible cause
Solution
Rectification by
Machine does
not start
Current
Power supply not in order
Repair power supply
Service engineer
Main switch not activated
Activate main switch
Operator
RCCB was triggered
Reset RCCB
Service engineer
Motor protection switch triggered
Turn motor protection switch in
control cabinet to position 1
Service engineer
Contactor defective
Change contactor
Service engineer
Fuse defective
Change fuse
Service engineer
Machine does
not start with
Air
Insufficient drop in pressure in the
remote control due to blocked air
duct or air nozzle pipe
Clean blocked air duct or air nozzle
pipe
Operator
Air safety switch set wrongly
Set air safety switch
Service engineer
Air compressor not switched on
Switch on air compressor
Operator
Machine does
not start
Material
Too much thickened material in
hopper or mixing section
Empty half of the hopper and start
again
Operator
Excessively dry material in pump
part
Run the machine in backward mode,
otherwise remove pump and clean it
Service engineer
Water does
not run (flow
meter does
not show
anything)
Solenoid valve (hole in membrane
blocked)
Clean solenoid valve
Service engineer
Solenoid coil defective
Change solenoid coil
Service engineer
Pressure reducing valve closed
Open pressure reducing valve
Operator
Water inlet at pump tube blocked
Clean water inlet at pump tube
Operator
Needle valve closed
Open needle valve
Operator
Cable to solenoid valve defective
Replace cable to solenoid valve
Service engineer
Pump motor
does not start
Pump motor defective
Exchange pump motor
Service engineer
Connection cable defective
Change connection cable
Service engineer
Plug or inbuilt socket defective
Change plug or inbuilt socket
Service engineer
Motor protection switch defective
or triggered
Change motor protection switch or
reset
Service engineer