Nespresso Citiz & Co EF 488 - Manual (Page 50)

Citiz service manual 50
T R O U B L E S H O O T I N G
5 Measure coffee
temperature dur­
ing preparation
(see page 136)
5.1 No coffee
YES ­ a) water system is empty YES ­ replace self priming
device (APD)
NO ­ continue
YES ­ b) flow meter blocked YES ­ clean or replace
NO ­ continue
YES ­ c) pyramide plate
blocked YES ­ replace the compact
brewing unit
NO ­ continue
YES ­ d) coffee machine is cal­
cified
NO ­ continue YES ­ descale coffee machine
(see page 41)
5.2 Temperature is too
low (below 83°C)
YES ­ descale coffee machine
(see page 41)
NO ­ continue
5.3 Temperature too
high (over 89 °C)
YES ­ replace NTC tempera­
ture sensor
NO ­ continue
6 Check for leakage
(see page 133)
and measure flow
rate (see page
132)
6.1 Compact brewing
unit leaks
YES ­ replace compact brew­
ing unit
NO ­ continue
6.2 Hose connections
leak
YES ­ replace defective hoses
and seals
NO ­ continue
6.3 Rate of flow not in
the standard range
YES ­ coffee machine is calci­
fied
NO ­ continue with point 9 YES ­ descale coffee machine
(see page 41)
NO ­ replace pump
7 Descale coffee
machine
(if necessary)
7.1 Coffee machine is
calcified
YES ­ descale coffee machine
(see page 41)
NO ­ continue with point 9
8 Check water tank
contents after des­
caling and rinising
8.1 Particles of calcium
and rust visible in
water
YES ­ descale and rinse coffee
machine again to clean water
circuit (see page 41)
NO ­ continue YES ­ inform customer to des­
cale coffee machine periodi­
cally and to use specified des­
caling product only.
9 Final cleaning
(see page 38)
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