8 Trouble shooting
8.1 Cleaning system/separator does not start or stops
shortly after start
Possible cause Action
No power supplied
Check the mains switch, fuses and supply line
Bowl hood interlock is not in correct position Position the interlock correctly
Defective magnetic switch indicating the
position of the bowl hood interlock
Check that the switch opens and closes when
interlock is moved up and down
Incorrect assembly after cleaning. The bowl
and motor shaft cannot rotate freely
Dismantle and check
Voltage protection for frequency c onverter
trips because of too low/high voltage or
voltage spikes greater than ±5 %.
Check the voltage. If unstable voltage, connect
a transformer.
Fuse in mains circuit has wrong amperage
(10 A)
Separator stops See 8.5 Separator stops on page 50.
Pump stops
See 8.3 Pump stops on page 49
8.2 Pump d oes not start
Possible cause Action
Microswitch for filled collecting tank
activated
Empty the tank or adjust the spring tension for
the tank support
8.3 Pump stops
Possible cause Action
Collecting tank filled
Empty the tank a
nd start the pump
Over load caused by clogged strainer Clean the strainer. The motor protector in
control unit is automatically reset
Counter pressure at separator outlet is
lower than 50 kPa
• Check that suction inlet is not above
surface in tank
• Check for obstructed inlet line
• Check function of regulating valve
• Adjust the counter pressure. See chapter
6 Control Cabinet
• Check the direction of rotation for separator
and pump
Over load caused by obstr ucted inlet or
outlet side
Check that the feed through the whole system
is sufficient
49
To Next Page
Loading...
