Troubleshooting - dosatron D 20 S Manuel D'utilisation

Troubleshooting

SyMPTOM
Motor piston
Dosatron does not
start or stops
Injection
Water flowing back
into concentrate
container
No suction of
concentrate
CAUSE
the units has not
been bleeded
the bypass is
closed or half open
Maximum flow
exceeded
Damage inside
the unit
Contaminated,
worn, or missing
check valve parts
the piston motor
has stopped
Check the suction
height (4< m)
air leak (inlet) in
the suction tube
Blocked suction
tube or clogged
strainer
©
DosatRoN INteRNatIoNaL / 51
SOLUTION
Check that your installation
allows your unit to operate
correctly
Check that the water
supply is open and that the
solenoid valves are supplied
with power
Refer § Putting into Order
open the bypass. Refer §
Incorporated bypass
Reduce flow restart unit
Clean or replace them
see Motor piston section
Reduce the suction
height if necessary
Check the tightness between
nut and suction hose
Clean these parts. attention:
Do not put the strainer on
the ground of the tank (min.
distance 10 cm)