U service manual
Version 1.2 en
26
R E P A I R S
Wiring arrangement
Random changes in the wiring arrangement of the wired model version during a repair
can cause
-
electromagnetic interferences,
-
squeezed wires,
-
insulation defects due to contact with hot parts,
-
insulation problems if low and high voltage wires are not separated,
-
damage to the functional block.
Protective measures:
•
Do not change the thermoblock wiring (thermo fuses and NTC sensor).
•
Refer to wiring diagram when reconnecting cables and wires.
Residual water
•
If it is necessary to pull off hoses, hold ready a small receptacle and a towel to collect
and wipe away leaking water.
•
A special procedure is necessary to empty the fluid system of the coffee machine for
repair or shipment (refer to "Empty water system" on page 19).
7.3
Tools and accessories
With the following assortment of tools, all repairs described can be made:
A bit holder with
appropriate bits can
also be used:
.
3.5 mm 8 mm
1) Torx screwdriver TX10 - 70
2) Flat blade screwdrivers:
size blade
width
00 2
mm
01 3,5
mm
05 8
mm
3) Pointed pliers
4) Side cutting pliers
5) Receptacle and towel to catch and
wipe away leaking water
1
2
TX 10
3.5 mm 8 mm
3
2 mm
4
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