Troubleshooting; Check List - Nespresso C50 Service Manual

6 T R O U B L E S H O O T I N G
6.1

Check list

Check Error symptoms
1.1 Housing parts bro-
ken or damaged
1 Check the coffee
machine for visi-
ble damage
1.2 Power cord dam-
aged
2.1 Cup support with
capsule and waste
water container
does not remain in
fitting position
2 Check mechani-
cal components
2.2 Slider malfunction
2.3 Capsule is not
ejected correctly
3 Fill water tank 3.1 Water tank leaks
4.1 Coffee machine is
not working
4 Move Machine to
(does not function)
power on to per-
form automatic
self test
4.2 Both coffee buttons
are blinking 3x fast
5 Rinse coffee 5.1 No water at coffee
machine outlet
Version 1.2 en
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T R O U B L E S H O O T I N G
Measure /
repair work
YES - replace housing parts if
necessary
NO - continue
YES - replace power cord
NO - connect power cord of
machine to the mains and con-
tinue
YES - check if waste water
container has its metallic plate
for magnetic mounting
NO - continue
YES - slider does not close or
close properly
NO - continue
YES - replace brewing unit
NO - continue
YES - replace water tank
NO - continue
a) YES - power cord is okay
(loose connection)
b) YES - On/Off switch has typ-
ical switching noise
c) YES - pump works (press a
coffee button)
d) YES - both coffee buttons
are working
e) YES - fine wire fuses or triac
on thermoblock defective
f) YES - wiring is okay
NO - continue with point 4.2
YES - thermoblock is hot
NO - self test ok - continue
YES - a) water system is empty YES - fill the water system
YES - b) coffee machine is cal-
cified
NO - continue
YES - c) pyramide plate
blocked
YES - d) flowmeter blocked
YES - e) pump cannot produce
sufficient water pressure
Further measures /
repair work
NO - replace waste water con-
tainer.
YES - Empty the capsule con-
tainer
YES - Check that no capsule is
blocked inside the machine
NO - replace slider unit
YES - continue
NO - replace power cord
YES - continue
NO - replace functional block
YES - continue with point e)
NO - continue with point d)
YES - replace pump
NO - replace functional block
YES - replace thermoblock
NO - continue
YES - replace functional block
NO - replace defective cables
YES - switch off/on coffee
machine and check again
NO - replace thermoblock or
functional block
NO - continue
YES - descale coffee machine
(see page 20)
YES - replace brewing unit
NO - continue
YES - clean or replace flowme-
ter
NO - continue
YES - replace pump
NO - continue
U service manual
After an initial inspec-
tion in accordance
with this check list,
errors are quickly found and
corrected with the appropri-
ate measure.
Therefore, adhere to the
sequence of the check list.
Repair every occurring error
and work the check list
through until it is completed.
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