|Warning Do not substitute parts or modify the system, or install unsuitable parts in the system. Improper modification can damage the product or lead to malfunction.|
|Warning Do not open the power supply unit. There are no user-serviceable parts inside the unit. If the power supply unit is faulty, replace it.|
|CAUTION Contact Vaisala or its authorized representative for repairs.|
|CAUTION Improper modification can damage the product or lead to malfunction. Any modification voids your warranty.|
|CAUTION Only qualified maintenance personnel may perform maintenance procedures.|
In general, RSI51 needs very little maintenance. However, it is important to keep the unit clean and regularly check that all parts are in good condition and properly attached.