Subject to modifications
User Manual
Operation Instructions
2.1A-30008-A04
Page 35 of 48
LINCOLN GmbH & Co. KG • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259
Troubleshooting
4209a99
Fig. 47 Green circulating illuminated segment, operating time
6001a02
NOTE
The pump operation can be checked from
the outside by observing whether the stir-
ring paddle is rotating (e.g. by triggering an
additional lubrication).
dditionally, during the operating time of the
pump a circulating illuminated segment
appears in the display window of the mem-
brane keypad (see fig. 47).
Fault: The pump motor does not run, stirring paddle does not turn
Cause: Remedy:
Power supply interrupted, segment display for On/h is not
lit
Check the power supply (connection, lines) and fuses.
If necessary rectify the fault and/or replace the fuses.
Power supply from control p.c.b. to motor interrupted,
electric motor defective
Check the line leading from the fuses to the pump plug.
Check the power supply to the motor. If necessary, replace
the motor.
Defective control printed circuit board
Defective operator key of the membrane key pad
Replace the control p.c.b.
* EP * display is lit. Replace housing and membrane key-
pad.
Fault: Pump motor does not stop dispensing (30 minutes monitoring time)
Cause:
Remedy:
Defective piston detector (initiator)
Blockage in the system
Remove main line towards the monitored divider valve.
Unscrew the piston detector.
Check the piston detector by introducing an iron pin into
the borehole of the detector, maintain it there for more
than 2 seconds and pull out again. If then the pump
switches off, a blockage may exist. If the pump does not
switch off, check cable connections towards the pump.
Coble connections from the piston detector towards the
pump interrupted.
Check cable connections towards pump.
If necessary, replace piston detector with connecting plug.
Defective control p.c.b. Replace the control p.c.b.
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