Nespresso Essenza C99 - Replacing Electronic Control Board

25
Repair
Service Manual EF 347 / EF 348 enVersion 1.0
Replacing electronic control board
with button prints
Tools:
- Torx screwdriver Pin-TX10
The service engineer must be
earthed using an earthing strap!
Only touch button prints with dedi-
cated gloves to avoid oxydation.
Procedure:
1. Follow general disassembly (see page
21).
2. Remove 2 screws (55) and remove
housing (A) from electronic control board.
3. Unplug NTC and flowmeter and all wires
from electronic control board (28).
4. Remove the 2 screws (23) from cover
(35), open the lever (37) and lift up lightly
the front part of the cover so the buttons
prints wires can pass.
5. Replace defect electronic control (B)
board with button prints (B).
6. Assemble in reverse sequence.
Check for correct wiring of electronic
control board (see page 27).
28
55
A
37
35
23
A
B