Service Manual EF 472
23
R E P A I R S
5.4 Replacing the thermoblock, NTCtemperature
sensor and fine wire fuse(s)
Repair tips for the thermoblock
•
When mounting the new thermoblock (5) align the positioning holes on the bottom
to the damping element (8).
Repair tips for the NTCtemperature sensor
•
Do not twist the NTCcable when plugging and unplugging the NTCtemperature
sensor (6) : unplug the NTCplug from the main board.
•
Tighten the new NTCtemperature sensor (6) and spring ring (7) with a torque
wrench (90 110 Ncm).
Repair tips for the fine wire fuse(s)
•
When mounting the safety clips (4) make sure that the housing of the fine wire fuse
(900) is positioned exactly below the safety clips.
•
To replace a defective fine wire fuse with in the corresponding wiring, the support
(13) of the compact brewing unit must be removed from the floor (32).
Check if residual
water leaks from
the thermoblock .
Depending on the
series, one or two
fine wire fuses are
mounted on the ther-
moblock (see "Wiring
diagrams" on page 29).
