Troubleshooting - dosatron D30-GREEN LINE Gebrauchsanweisung

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.
Injection
Water flowing Contaminated,
back into worn, or missing
concentrate check valve parts.
container.
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 / 61
SOLUTION
Reset piston, by hand.
Bleed air from unit, by
bleed button.
1. Reduce flow, restart
unit.
2. Unscrew the top cap.
Take off the piston and
check piston valves
seals to ensure correct
position.
Return unit to your
service center for repair.
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
of the fixing ring seal is damaged or
under the body positioned incorrectly.
housing.
Leaks between the Injector stem seal
setting sleeve and damaged, positioned
the locking ring. incorrectly or missing.
Leaks between the Screw-top seal is
body and screw- damaged, positioned
top. incorrectly or missing.
Regulator DOSATRON
Leak Faulty sealing
EC PROBE
Please refer to the EC PROBE section
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 / 62
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 screw-top,
clean the seal seating,
replace or change the seal.
Position correctly the
screw-top.
Return the Dosatron unit
to your service center for
repair