Section 4 Service, Configuration & Testing
25 FT742-DM (RS485) Sensors – User Manual
• Check that the measurement cavity’s special coating is in a satisfactory condition and no debris is
present. Debris can be blown out or washed out with distilled water spray.
Please contact FT Technologies for further information and advice if required.
4.3 Returns
If a sensor appears to be faulty, compile a detailed fault description for each sensor, then contact FT
Technologies to request a Returns Materials Authorisation (RMA) form. Please complete the form and return as
instructed. Returns cannot be accepted without prior approval via this authorisation form.
Units damaged by lightning or disassembled by the customer cannot typically be repaired, however an
inspection fee may still apply.
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