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ERROR MESSAGES
12. ERROR MESSAGES
The pump controller shows error messages when erroneous conditions appear and when measured
values are outside the expected range.
The information below provides an explanation of the errors, and recommended action to be taken.
Error messages are displayed with red LED backlight.
Probe is not connected.
Connect the probe.
Wrong probe is connected.
Unplug the controller and ensure correct probe
will be plugged in.
Broken temperature sensor.
Replace the probe.
The temperature is out of range.
The EC or TDS measured value is out of range.
Stepper motor error: over temperature or
overcurrent is detected.
When the error has ceased, the stepper motor
resumes normal function.