KSB Controlmatic E.2 - Page 18

8 Trouble-shooting
18 of 24
Controlmatic E.2
A B C D Indicator lamps Possible cause Remedy
- - ✘ - Green indicator lamp is lit
(ready for operation).
Yellow indicator lamp is lit
(operation).
Power
On
Failure Reset
Minor leakage in the system Eliminate leakage at the consumer
installations and pipe unions.
- - - ✘ Green indicator lamp is lit
(ready for operation).
Yellow indicator lamp is lit
(operation).
Power
On
Failure Reset
Severe leakage Check the shut-off valves and the
piping, and repair.
Reset button is jammed. Call in customer service.
Flow detection is prevented by sand
or other solids blocking the check
valve.
Disconnect the automatic control
unit from the power supply and
flush it through to remove any
solids.
Call in customer service if necessary.
Electronic components defective Call in customer service.