Maintenance
152 FEX300, FEX500 OI/FEX300/FEX500-EN
10.3.2 Flowmeter sensor
Warning – Electrical voltage risk!
When the housing is open, EMC protection is impaired and there is no longer any protection
against accidental contact.
• Power to all connecting cables must be switched off.
Fig. 62
Replace the flowmeter sensor as follows:
1. Switch off supply power.
2. Open the housing cover (1).
3. Disconnect the signal cable (if necessary, remove the sealing compound).
4. Install the new sensor according to the installation instructions.
5. Complete the electrical connection according to the connection diagram.
6. Close the housing cover (1).
7. Downloading system data (see chapter 10.3.3 "Downloading the system data").
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