Possible Incidents - dosatron SD25AL5 Manuel D'utilisation

POSSIBLE INCIDENTS

Your monitoring module does not turn on – check that the power supply plug of your device is connected
and the condition of this cable.
SYMPTOM
Your doser doesn't start (no
motor click when the water
circulates) or stops.
Recirculation in the product
tank
No suction of product
Under-dosing
Possible incidents
CAUSE
Motor piston
Motor piston blocked
Excessive flowrate
Motor piston broken
Dosing
Suction valve or valve seal dirty,
worn or absent.
The motor piston has stopped
working.
Air intake in suction pipe.
Suction pipe obstructed or strainer
blocked
Suction valve seal worn, wrongly
assembled or clogged.
Plunger seal wrongly assembled,
clogged or swollen.
Doser body scratched.
Air intake
Suction valve seal worn or dirty.
Excessive flowrate (cavitation)
Plunger seal worn
Doser body scratched
©
DOSATRON INTERNATIONAL S.A.S. / 33
©
DOSATRON INTERNATIONAL S.A.S. / 69
REMEDY
Restart the motor piston by
activating it manually.
1. Reduce the flowrate, put back
into operation.
2. Check the presence of the motor
valve seals.
Send the DOSATRON back to your
distributor.
To be cleaned or replaced.
See motor piston incidents.
Check the suction pipe and the
tightening of its attachment bolt on
the dosing assembly
Clean them or replace them.
Clean it or replace them.
Clean it or replace them.
Replace it.
1. Check the tightening of the bolts
and the dosing assembly.
2. Check the condition of the
suction pipe
Clean it or replace it.
Reduce the flowrate if possible or
order a larger-capacity Dosatron
Replace it.
Replace it.