Before any hardware repair, please ensure all the following points are correct as these affect the performance
- Check if the instrument is correctly supplied with power.
- Check if the instrument wiring is correct against Chapter 2.
- Check the straightway lengths are properly set as described in Chapter 6.2.
- Check if the actual flow direction is the same as the indicator on the instrument.
- Check if there are pipe leaks.
Cut off the power supply before removing the instrument
Make sure the pipe is decompressed before repair