Reference Designation; Troubleshooting - dosatron D 25 F Manuel D'utilisation

Reference Designation

REF.
Serial #
Serial #:
REF. : .......................................
D 25... RE/GL
EXaMPLE
type of DOSatRON
RE: adjustable
GL: Green Line (fertigation) [Green]
Dosage (% or ratio)
IE: External Injection
BP: integrated by-pass
V: Viscous Products (200-400 cSt)
aO: Organic acid
Dosing Seals:
aF = advised for alkalines concentrates PH 7-14
VF = advised for acides concentrates PH 1-7
K = strong acids (>15%)
Color:
- = Blue [PP]
P = White [PVDF]
R = Red [PP]
V = Green [PP]
J = Yellow [PP]
O = Orange [PP]
PO: POLYMERS
Others extensions (consult us)
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DOSatRON INtERNatIONaL / 44
.....................................................
2 IE BP V aO aF P PO

Troubleshooting

SYMPTOM
Motor piston
DOSatRON does
not start or stops
ii
Injection
Water flowing back
into concentrate
container.
No suction of
concentrate.
CAUSE SOLUTION
Piston stalled. Reset piston, by hand.
air has not been Bleed air from unit, by
bled from unit. bleed button.
Maximum flow 1. Reduce flow, restart
exceeded. unit.
2. Unscrew the top cap.
take off the piston
and check piston
valves seals to ensure
correct position.
Motor piston is Return unit to your
damaged. service center for repair.
Contaminated, Clean or replace it.
worn, or missing
check valve parts.
the piston motor See Motor piston section.
has stopped.
air leak (inlet) in the Check the tightness bet
suction tube. ween nut and suction hose.
Blocked suction Clean or replace it.
tube or clogged
strainer.
Missing or worn Clean or replace it.
suction check valve
seal.
Missing or worn Clean or replace it.
plunger seal.
Worn injection stem Replace it.
© ©
DOSatRON INtERNatIONaL / 45 DOSatRON INtERNatIONaL / 45