Fault Diagnosis - Douwe Egberts Cafitesse 100 Service Manual

Service Manual Cafitesse 100

3.2 Fault Diagnosis

General:
• The list of possible faults and the appropriate
trouble shooting is divided into two main groups:
- Faults, which are not indicated, but which
can be localised due to particular
malfunctions of the dispenser,
- faults, which are indicated via LEDs and/
or displayed on service device 2.
- yellow LED OFF: correct water
yellow LED
constantly ON:
- yellow LED
flashes (short
flash frequency): correct water
- yellow LED
flashes (long
flash frequency): water temperature in
• Some faults are indicated by LEDs which
are flashing either individually or in
combination with other LEDs.
• The fault diagnosis takes precedence over
the normal display function.
Fault localisation
• Connect the service device and switch it on.
• Switch off the main switch of the dispenser.
Resetting the fault display after repair work
• Disconnect the power supply plug.
DANGER: The beverages delivered by the
dispenser are hot! To prevent
scalding, keep hands (and/or
other parts of the body) away
from the beverage outlet area
when beverages are prepared
and during the functional test.
07.2004
temperature in the
boiler and in the cooling
compartment
water temperature in
the boiler too low.
Correct cooling
compartment
temperature
temperature in the
boiler. Incorrect cooling
compartment
temperature
the boiler too low.
Incorrect cooling
compartment
temperature
DANGER: Never insert the power supply
plug of the dispenser into a
wet or damp socket. The plug
itself must not be wet or damp
either. Also never insert or
remove the plug from the
socket with wet hands.
DANGER: The dispenser and the service
device are equipped with a
lithium battery.
There is the danger of an
explosion due to mishandling.
The battery may not be
recharged, disassembled,
short-circuited, burnt or
exposed to temperatures
above 100 °C or water.
Replace it only with a battery
of the same type. Spent
batteries must be disposed of
properly.
DANGER: Safety devices must not be
bridged or put out of
operation.
WARNING: Use only original spare parts
when repairing the dispenser;
otherwise the manufacturer
cannot be held liable.
WARNING: If the dispenser is equipped
with a heating plate, do not
touch the heating plate. There
is the danger of being burnt.
CAUTION: It is provided that the control
system has been programmed in
accordance with the dispenser's
requirements. The following list
of possible faults does not
consider any programming
errors.
Therefore it is recommended
to check the programming of
the control system first by
means of service device 2
before carrying out any trouble
shooting according to the
following chapter.
Faults
3 - 3