Tuttnauer 3870 EHS - Replacing the DIG-T2 Board

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9.4 Replacing the DIG-T2 board
The DIG-T2 board contains the software program and controls all the
functions of the autoclave. See sec 4.3.
Caution!
Make sure that the power cord is disconnected!
Allow the chamber and jacket to cool before removing outer covers.
Refer to the picture below when following this procedure.
1. Take off the autoclave cover (see para. 9.2 “Removing the Outer
Covers of the Autoclave”).
2. On model 3870 disconnect the flat cable from the printer.
3. Disconnect the flat cable from JP1-DIG-T2 to JP1 ANL-T2 (4).
4. Disconnect the flat cable from the PC port to P1-ANL-T2 (6).
5. Disconnect the green grounding cable (5).
6. Remove the screws that connect the plastic panel, housing the
DIG-T2 board, to the autoclave (2).
7. Disconnect the main switch (7).
8. Remove the DIG-T2 and keypad from the plastic panel.
9. Disconnect the DIG-T2 from the keypad.
10. Install a new DIG-T2 to the keypad and reinstall it into the plastic
housing
11. Follow the previous instructions in reverse to reassemble the unit
9.5 Replacing the Electronics Box
Caution!
Make sure that the power cord is disconnected!
Allow the chamber and jacket to cool before removing outer covers.
Refer to the picture below when following this procedure.
1. Take off the autoclave cover (see para. 9.2 “Removing the Outer
Covers of the Autoclave”).
2. Remove the screws from the bottom and top of the electronic box
(1, 3).
3. Disconnect all the electric system connectors connecting the
electronic box to the base (including the MPX connectors).
4. Remove electronics box and replace with new one.
5. Re-assemble the instrument. Verify that the grounding connections
are connected correctly.
6. Test any cycle and verify that the autoclave operates as required.