HD7686/90
DISASSEMBLY- AND RE-ASSEMBLY ADVISE
- Remove bottom base plate (3 screws).
- Now the Power module and switch PCB can be reached
(Replacing the power module results in also replacing
Switch PCB and visa versa).
- Pull the complete pump unit downwards until the hose
pieces are loosened from the pump (hose pieces must stay
connected to the appliance-pipes).
- Remove screw A to replace the metal filter carrier cover.
(see picture)
REPAIR INSTRUCTION
-
Descaling:
Regular de-scaling will prolong the life of your appliance
and will guarantee optimal brewing results.
Follow below steps to de-scale the appliance.
1. Fill the water tank with white vinegar.
2. Let the appliance complete two runs.
3. Let the appliance complete two more flushing cycles
with clean water to rinse away all vinegar.
If the above procedure does not restore the function, then
switch off the coffee maker when the acid passed through
during appr. 3 min.
Keep the appliance in this condition overnight and
continue the steps see above procedure.
ELECTRICAL DIAGRAM
L
N
Power
Module
J2
J1
J3
J4
Heater
Fuse
Blue
Mains
Blue
Grey
Black
Brown
Ther-
mostat
On/Off
On/Off
Decalc
2-4
