Control
28
© Lutz-Jesco GmbH 2020
BA-10491-02-V01
Piston diaphragm dosing pump
MEMDOS KMS LB/LA
Operating instructions
10.9 Error messages
Error messages and malfunctions can be read in the operating panel.
LEDs illuminated
Reason
Consequence
Solution
(flashes)
System backpressure too
high.
The motor protection is activated and the mo-
tor stops.
n
Reduce the back pressure.
n
Then press
Reset
+
Start
to restart the
pump.
(flashes)
Motor too hot.
The motor protection is activated and the mo-
tor stops.
n
Allow the motor to cool.
n
Then press
Reset
+
Start
to restart the
pump.
(Flashes quickly)
Insufficient mains voltage.
The motor protection is activated and the mo-
tor stops.
n
Set the correct mains voltage.
n
Then press
Reset
+
Start
to restart the
pump.
+
Dosing medium container
empty.
Motor stops.
n
Re-establish the dosing medium supply.
n
Then press
Reset
+
Start
to restart the
pump.
+
Analogue signal lower than
2 mA.
Motor stops.
n
Re-establish the connection to the external
controller.
n
Then press
Reset
+
Start
to restart the
pump.
Tab. 28: Error messages
