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3. Step by step
1. Before disconnecting the cables - mark
them.
2. All screws with built-in conical spring
washers and single conical spring washers
which are removed shall be exchanged to
new unused ones.
3. Disconnect all cables from the terminals 1
through 14, external keypad and the fieldbus
plug accessory.
4. Disconnect the cables from 1L1, 3L2, 5L3,
2T1, 4T2, 6T3. For PSE18…105 remove the
connection unit.
5. Detach the HMI module with a small
screwdriver.
6. Discharge the tools and yourself by
touching earth (if you are not earthed).
7. Disconnect the gate cables from the main-
board.
8. Disconnect the ribbon cable from the sub-
board.
9. For PSE210…370 disconnect the other cables
between the main-board and the sub-board.
10. Remove the HMI module.
11. Disconnect all the cables from the sub-board.
12. Remove the sub-board from the middle part.
13. Unpack the new HMI-module and the sub
board.
14. Mount the new sub board into the middle part.
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