Nespresso C50 Service Manual page 24

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