Mixing pump RITMO XL 400V Overview – Operation
Troubleshooting jobs
40
2019-12-11
27.4 Safety
Personal
The troubleshooting jobs described here cannot be
performed by the operator, unless denoted otherwise.
Some jobs may be performed only by specially trained
technicians or exclusively by the manufacturer. This is
indicated separately in the description of each individual
fault.
Jobs on the electrical system may in principle be performed
only by electricians.
Personal protection equipment
The following protective equipment must be worn while
performing all maintenance jobs:
Work safety clothing
Safety glasses
Safety gloves
Safety shoes
27.5 Faults table
Fault
Possible cause
Troubleshooting
Rectified by
Machine
does not run
water
Water pressure too low
Check water supply line, clean
dirt trapping sieve
Operator
Manometer displays less than
2.2
bar
Check pressure boosting pump
Service
mechanic
Machine
does not run
power
Power supply not OK
Repair power supply cable
Service
mechanic
Master switch not activated
Activate master switch
Operator
FI
-
circuit
breaker
was
triggered
FI - Reset circuit breaker
Service
mechanic
Yellow control lamp (direction of
rotation fault) lights up
On the main reverse switch, push
the metal clamp in the reverse
direction
Operator
Motor circuit breaker tripped
In the control cabinet, turn the
motor circuit breaker to position 1
Service
mechanic
Pushbutton "ON" not pressed
Press pushbutton "ON"
Operator
Contactor is defective
Replace contactor
Service
mechanic
Fuse is defective
Replace fuse
Service
mechanic
Machine
does not run
air
Inadequate pressure fall in the
remote control due to clogged
air pipe or air nozzle tube
Clean clogged air pipe or air
nozzle tube
Operator
Air safety switch displaced
Adjust air safety switch
Service
mechanic
Air compressor not switched on
Switch on air compressor
Operator
Machine
does not run
Too thick material in hopper or
mixing zone
Empty hopper by half and restart
Operator