- PUMP light: blinking green
- SOURCE light: blinking red
- CONDUCTIVITY ALARM light:
blinking blue
Pressure sensor out of order
Replace the pressure sensor
- CONDUCTIVITY ALARM light: blue
Conductimeter or temperature
sensor out of order
Replace the sensor
- CONDUCTIVITY ALARM light:
blue/yellow alternating
Inverted connections between the
conductimeter and the
temperature sensor
Open the control unit and
invert the connections
O-Classic
operator’s manual
version: 20.01.22
13