Chapter 2 General notes for service technicians
SMSO-2-02.02- 15.07.03 25
Systematic machine check
The check should be made consistently according to the following list
Check
Description Yes No Statement
Measure(s) to take
Service documents
Sight of: service documents and inspection re-
ports
Bean container
Cup plate and casing on left-hand and right-hand
sides
Control panel / display
Ventilators
Card reader, coin locking device
Outlet trolley, function brake rubber
Hot water / steam outlet
Front cover
Drip tray (residues)
Grounds container / container area
Consistency / moisture content of grounds
Refrigerator / door closure / temperature setting
Quick cup warmer
Environment (standing surface / trolley etc.)
Main switch / mains cable / mains input
Water connection / connection tube / condition of
filter
External visual check of
cleanliness and mechanical
defects
Waste water pipe / waste water container
Local pressure: Manometer
Heating up; temperature on display unit; time
Safety valves: Function?
Check pump pressure?
Display messages
Switch on from cold:
Noise emissions
Grinder: Noise emission
Size of coffee grain
Grinding time
Rotary-vane type pump: Noise emission
Manometer: Brewing pressure
Brewing unit: Noise emission
Outlet: Speed / uniformity
Foam: Colour and consistency
Quantity of product dispensed
Quality of product: Temperature (subjective)
• Coffee
Quality of product: Taste (subjective)
Manometer: System pressure
• Tea
(alternative/
additionally
Quality of product: Temperature (subjective)
Quality of product
• Steam
(alternative/ad
ditionally
Steam nozzle: Speed and quantity of outflow
Refrigerator / foamer head Noise emission
Quality of product: Consistency and volume
Quality of product: Temperature
Outlet: Speed / uniformity
Test: Product
serving
(servings) and
assessment
of:
• Milk/milk
foam/
(alternative/
additionally)
Rinsing process Quantity and outlet time
Check meter readings and enter into service
documentation. Decide which components need
to be replaced immediately.
Programming/accessories
Check settings relating to the likely fault
Check water consumption meter and any related
settings (blend parameters)
Check/replace/supply accessories (powder brush,
O-rings etc.)
NOTE: A minimum of the visual check must be carried out on machines where the faults are such that they can no
longer be operated.
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