What causes the pH/mV RANGE? error on a ProMinent DULCOMETER Controller?
- SStephen LutzAug 21, 2025
The 'pH/mV RANGE?' error on your ProMinent Controller can be caused by the input voltage being too high. The suggested solution is 'Fault current'.
What causes the pH/mV RANGE? error on a ProMinent DULCOMETER Controller?
The 'pH/mV RANGE?' error on your ProMinent Controller can be caused by the input voltage being too high. The suggested solution is 'Fault current'.
What does NO PROBE mean on a ProMinent DULCOMETER?
If 'NO PROBE' is displayed on your ProMinent Controller and pH sensor monitoring is activated, it indicates there is no sensor. The suggested solution is 'Fault current'.
What does PROBE ERR mean on my ProMinent Controller?
If the 'PROBE ERR' is displayed, and pH sensor monitoring is activated, it indicates a sensor break. The suggested solution is 'Fault current'.
Why does my ProMinent DULCOMETER show CHECK? TIME?
The 'CHECK? TIME' message indicates that the control checkout time has elapsed. The suggested solution is 'Fault current'.
What does TLIMITERR mean on a ProMinent Controller and how to fix it?
The 'TLIMITERR' indicates that the set checkout time for monitoring the correction variable limits has elapsed. The suggested solution is 'Fault current'.
What does 'NO CAL' mean on my ProMinent DULCOMETER Controller?
The 'NO CAL' message on your ProMinent Controller means that no valid user calibration exists.
Why does my ProMinent DULCOMETER Controller display 'pH/mV RANGE'?
The 'pH/mV RANGE' error on your ProMinent Controller can appear if the input voltage is either too low or too high, indicating a fault current.
What does NO CAL mean on my ProMinent DULCOMETER Controller?
The 'NO CAL' message indicates that no valid user calibration exists.
What does CAL ERROR mean on ProMinent Controller?
The 'CAL ERROR' indicates that no valid user calibration exists.
How to acknowledge and handle error and warning messages.
Details the meaning of safety symbols and categories used in the manual.
Provides essential safety guidelines for operating the device.
Specifies the required qualifications for personnel operating the device.
Covers the electrical connections and wiring for the controller.
Instructions for connecting various sensors to the controller.
Procedure for calibrating the pH sensor for accurate measurements.
Instructions for calibrating the ORP sensor.
Steps for calibrating the fluoride sensor.
General process for calibrating amperometric sensors.
Procedure for calibrating oxygen sensors.
Instructions for calibrating conductivity measurements.
Procedure for calibrating temperature measurements.
Specifies the target value for the control loop.
Configuration of the controller's mA output channels.
List of error codes, their causes, and remedies.
How to acknowledge and handle error and warning messages.
Details the meaning of safety symbols and categories used in the manual.
Provides essential safety guidelines for operating the device.
Specifies the required qualifications for personnel operating the device.
Covers the electrical connections and wiring for the controller.
Instructions for connecting various sensors to the controller.
Procedure for calibrating the pH sensor for accurate measurements.
Instructions for calibrating the ORP sensor.
Steps for calibrating the fluoride sensor.
General process for calibrating amperometric sensors.
Procedure for calibrating oxygen sensors.
Instructions for calibrating conductivity measurements.
Procedure for calibrating temperature measurements.
Specifies the target value for the control loop.
Configuration of the controller's mA output channels.
List of error codes, their causes, and remedies.
| Protection Class | IP65 |
|---|---|
| Measurement Parameters | pH, Conductivity, Temperature |
| Communication | Modbus |
| Power Supply | 24 V DC or 100-240 V AC |
| Control Outputs | Relay, Analog (0/4-20 mA) |
| Control Functions | PID control |
| Input Signals | Analog (0/4-20 mA), Digital |
| Mounting | Wall-mounted, panel-mounted |
| Measurement Range pH | 0-14 pH |
| Measurement Range Conductivity | 0-2000 µS/cm |












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