U service manual
Version 1.2 en
24
T R O U B L E S H O O T I N G
6 Measure coffee
temperature dur-
ing coffee prepa-
ration (see page
47)
6.1 Temperature is too
low (below 83°C)
YES - descale coffee machine
(see page 20)
NO - continue
6.2 Temperature too
high (over 89 °C)
YES - replace thermoblock
NO - continue
7 Check for leakage
and sufficient flow
rate
7.1 Hose connections
leak
YES - replace high pressure
connector
NO - continue
7.2 Brewing unit leaks YES - replace brewing unit
NO - continue
7.3 Rate of flow not
within standard
range (60-120ml in
30 sec)
YES - coffee machine is calci-
fied
NO - continue with point 9
YES - descale coffee machine
(see page 20)
NO - replace pump
8 Descale coffee
machine
(if necessary)
8.1 Coffee machine is
calcified
YES - descale coffee machine
(see page 20)
NO - continue with point 9
9 Check water tank
contents after des-
caling and rinising
9.1 Particles of calcium
and rust visible in
water
YES - descale and rinse coffee
machine again to clean water
circuit (see page 20)
NO - continue
YES - inform customer to des-
cale coffee machine periodi-
cally and to use the specified
descaling product only.
10 Final cleaning
(see page 22)
No errors found according to
check list?
YES - for more information
please contact
Nespresso
Service Division
End of check list
Check
Error symptoms
Measure /
repair work
Further measures /
repair work
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