Section 4 Service, Configuration & Test
39 FT722 & FT742 (RS485) – FF & PM Sensors – User Manual
- Check that the sensor has the latest version of software (please contact FT Technologies for more
information on latest software releases)
- Check that the heater set point is at least 30
°
C
- Ensure that the internal filtering in the sensor is enabled (see Section 6.4.12)
• Check that the wind sensor data and status flag errors are being processed as per the advice in Sections
6.4.30 & 6.4.31.
• Ensure the sensor has been installed with adequate lightning and EMI protection (see Section 3) and the
cable shielding is terminated at both ends. All mating surfaces must be free of paint and corrosion so that
impedances between the sensor and ground are kept as low as possible.
• 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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