Troubleshooting - dosatron DI 1500 Manuel D'utilisation

Troubleshooting

SYMPTOM CAUSE
Motor piston
DOSATRON does Piston stalled
not start or stops
Air has not been
bled from unit
Maximum flow
exceeded.
Motor piston
is damaged
Filter clogged
Injection
Water flowing back Contaminated, worn,
into concentrate or missing check
container valve parts
No suction of The piston motor
concentrate has stopped
Air leak (inlet) in the
suction tube
Blocked suction
tube or clogged
strainer
Missing or worn
suction check valve seal
Missing or worn
plunger seal
Worn injection stem
© DOSATRON INTERNATIONAL / 52
SOLUTION
Reset piston, by hand
Bleed air from unit,
by bleed button
1. Reduce flow,
restart unit
2. Unscrew the bell.
Take off the piston and
check piston valves
seals to ensure correct
position
Return unit to your
service center for repair
Clean the filter :
§ cleaning the water filter
Clean or replace it
See Motor piston section
Check the tightness bet-
ween nut and suction hose
Clean or replace it
Clean or replace it
Clean or replace it
Replace it
SYMPTOM CAUSE
Injection
Under injection Suction of air
Dirty or worn check
valve seal.
Maximum flow
exceeded (cavitation)
Worn plunger seal
Worn injection stem
Leaks
Leaks in the vicinity Injector sleeve seal
of the fixing ring is damaged or
under the body positioned incorrectly
housing
Leaks between the Injector stem
setting sleeve and seal damaged,
the blocking ring positioned incorrectly
or missing
Leaks between the Pump body seal is
body and bell damaged, positioned
incorrectly or missing
THE MANUFACTURER
DECLINES ALL RESPONSIBILITY IF THE DOSATRON
IS USED IN CONDITIONS THAT DO NOT CORRESPOND
TO THE OPERATING INSTRUCTIONS AS INDICATED
IN THIS MANUAL
© DOSATRON INTERNATIONAL / 53
SOLUTION
1. Check the tightness of
the nuts in the injection
area
2. Check suction tube
Clean or replace it.
Reduce flow
Replace it
Replace it
Replace it
Replace it
Unscrew the bell,
clean the seal seating,
replace or change the seal.
Position correctly
the bell.