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An "Alarm" LED is flashing on my measuring and control device, and/or the display "Sample water alarm" or "Sample water error", the dosing is interrupted.

  • The sample water monitoring in the flow valve has responded.
More info

An "Alarm" LED lights on my measuring and control device.

  • The set (or factory preset) threshold value is exceeded or fallen below
More info

Display and LEDs do not work in my control device.

  • The device has no operating voltage
  • The fuse has blown
  • The power supply unit is defective.
More info

The LEDs do not work, but the display is okay.

  • Internal error, microprocessor probably turned off.
More info

The display does not work in my controller, but the LEDs light or flash.

  • Loose or insufficient connection in the device
  • Incorrect contrast setting
  • Electronics error
More info
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