Nescafe C70 - Page 37

Version 1.0 en Prodigio service manual
37
TROUBLESHOOTING
5 Test Bluetooth
®
function
5.1 Pairing the
machine with a
compatible device
and Nespresso
App. does not work
a) YES - compatible device
with Nespresso App. has Blue-
tooth
®
mode activated and is
placed within a distance of
10 cm / 4 inch to the coffee
machine.
YES - continue
NO - try again and place com-
patible device with Nespresso
App. next to coffee machine
b) YES - Bluetooth
®
mode of
coffee machine switched off
YES - Reset coffee machine
(see page 21)
NO - Replace MMI board (see
page 49)
c) YES - pairing not possible
after replacement of MMI PCB
and main PCB
YES - retrieve machine serial
number from an original PCB of
the coffee machine.
5.2 Retrieve error code
with Nespresso
App
YES - check error code table
and begin with repair
NO - continue
(see page 39)
6 Rinse coffee
machine
6.1 No water at coffee
outlet
YES - a) water system is empty
YES - fill the water system
NO - continue
YES - b) coffee machine is cal-
cified
NO - continue
YES - descale coffee machine
(see page 32)
YES - c) pyramide plate
blocked
YES - replace brewing unit
NO - continue
YES - d) flowmeter blocked YES - clean or replace flowme-
ter
NO - continue
YES - e) pump cannot produce
sufficient water pressure
YES - replace pump
NO - continue
7 Measure coffee
temperature dur-
ing coffee prepa-
ration (see page
82)
7.1 Temperature is too
low (below 83°C)
YES - descale coffee machine
(see page 32)
NO - continue
7.2 Temperature too
high (over 89 °C)
YES - replace thermoblock
NO - continue with point 8
8 Check for leakage
and sufficient flow
rate
8.1 Hose connections
leak
YES - replace high pressure
connector
NO - continue
8.2 Brewing unit leaks
YES - replace brewing unit
NO - continue
8.3 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 32)
NO - replace pump
9 Descale coffee
machine
(if necessary)
9.1 Coffee machine is
calcified
YES - descale coffee machine
(see page 32)
NO - continue with point 10
10 Check water tank
contents after des-
caling and rinsing
10.1 Particles of cal-
cium and rust visi-
ble in water
YES - descale and rinse coffee
machine again to clean water
circuit
(see page 32)
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 34)
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