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Warranty and Maintenance
5.5 Replacing a sensor
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Ensure that the device is switched off. Disconnect the power supply.
Remove the pump cover.
Remove the sensor cover screws and the sensor cover.
Gently remove the sensor to be replaced by lifting it.
Sensor positions cannot be changed. Each sensor has to be inserted at its
designated position. When replacing a sensor ensure that the gas type printed on the
sensor label matches the sensor identification label of the device slot.
1. If the replacement sensor is equipped with a shorting link/plate, this should be
removed before inserting the sensor.
2. Carefully align the new sensor with the socket.
3. Push the new sensor into the socket.
4. Install the sensor seal and the sensor cover.
5. Re-install the screws for the sensor cover.
Electrochemical sensors should only be ordered for immediate use. Replacement
sensors should be stored within a temperature range of +5 °C to + 12 °C.
Electrochemical sensors must be disposed of properly. They should not be disposed
of with domestic waste.
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