Faults -4
Version 1.36
02/2004
Only coffee concentrate is poured when the cup/pot coffee selection button is pressed.
Cause Action Ref.
1. Outlet valve malfunction Connect service device and test product valve. 4-4
(blocked) Check if water is flowing out of the trough.
Replace valve if necessary 5A-6 / PL-3
2. Outlet tube clogged, not Remove left cover and check tubes and nozzle.
connected to the nozzle This malfunction implicates that water is leaking
or clogged nozzle at the left side of the machine. PL-3
3. Flat cable is damaged Check the flat cable (remove right cover) and 5K3 / PL-6
or disconnected replace cable (incl.operation PCB) if necessary.
4. The valves are Check the wiring and the connectors of the 5A-6 / PL-3
incorrectly connected. product valve(s).
5. Control PCB failure If the machine pours only coffee concentrate
without apparent reason, the control PCB may
be defective. Check output voltages 5K-6
and replace if necessary 5K-1 / PL-2
no hot water is poured when the hot water selection button is pressed.
Cause Action Ref.
1. Outlet valve malfunction Connect service device and test product valve. 4-4
(blocked) Check if water is flowing out of the trough.
Replace valve if necessary 5A-6 / PL-3
2. Outlet tube clogged, not Remove left cover and check tubes and nozzle.
connected to the nozzle This malfunction implicates that water is leaking
or clogged nozzle at the left side of the machine. PL-3
3. Flat cable is damaged Check the flat cable (remove right cover) and 5K-3 / PL-6
or disconnected replace cable (incl.operation PCB) if necessary.
4. The valves are Check the wiring and the connectors of the
incorrectly connected. product valve. 5A6 / PL-3
5. Control PCB failure If the machine pours only coffee concentrate
without apparent reason, the control PCB may
be defective. Check output voltages 5K-6
and replace if necessary 5K-1 / PL-2
Actual pot volume is far less than the preset 900 ml
Cause Action Ref.
1. Water tank is empty before See the table on page 3 and change setting
total volume was dispensed if necessary. (LED will also light on)
2. The boiler temperature See the table on page 3 and change setting
dropped during delivery if necessary. (LED will also light on)
PL = Parts list (Section 10)
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