Flowserve NRGS15-1 Manual de usuario Pagina 25

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Malfunctions / Troubleshooting continued
Replace electronic circuit board
1. Undo the housing screws and remove the housing lid .
2. Pull the electrode wires out of the terminal lugs on the electronic circuit board.
Unplug all terminal strips , , .
3. Undo the PE connection .
4. Unscrew the fixing screws of the electronic circuit board and take out the electronic
circuit board. The electronic circuit board is available as spare part type NRV 1-47.
5. Install the new electronic circuit board in reverse order.
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