Failure Check And Corrective Measure - HITROL HLC-200A Instruction Manual

Failure Check
■ Relay contact does not work
and
- Check whether the LED is on or off.
Corrective
- Check the cable connection.
measure
- Check the input voltage.
- Check the connection between the body and the socket.
- Check the level sensor wiring cable.
■ Controller is normal but not working
Electrode type Level Switch
-If there is foreign matter or sediment such as lime on the bottom of the tank, it may
cause malfunction.
-Too low liquid conductivity can cause malfunction.
(ex. distilled water)
-When wiring between controller and electrode is far apart, it may cause malfunction.
-Please refer to the cable recommendations between the controller and the sensor
for installation precautions.
Float type Level Switch
- Check that the float floats normally.
- Check the signal when the float operates normally.
HITROL CO., LTD.
HLC-200A
8