Description
2022/04
Operating instructions Concept PDG 2906 peristaltic dosing pump
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LED signals
LED
Signal
Meaning
Green Lights up
continuously
Dosing not active
Setpoint value reached
Conductivity control is switched on
1
Green Flashing at normal
speed
Dosing active
Setpoint value not reached
Increase in conductivity is detected
1
Pump is running
2
Green Flashing rapidly
Dosing active, setpoint value not reached, no increase in
conductivity is detected (possible cause: container empty)
1
Green Not lit
Conductivity control is switched off
1
Red
Not lit
No fault
Red
Lights up
continuously
Tube rupture detected
Red
Flashing at normal
speed
Suction lance empty signal
Red
Flashing rapidly
Maximum dosing time exceeded
(container empty or other fault)
1
Red
Flashing slowly
Conductivity sensor ILFS not detected
1
1)
Only for operating modes with conductivity control
2)
For all operating modes
