Krups Nescafe Dolce Gusto Lumio KP130110 - Page 31

Lumio service manual
31
TROUBLESHOOTING
6 Plug into mains
(continued)
6.2 Indicator light flashes red
rapidly (error mode)?
YES - a) NTC temperature
sensor (32) defective?
YES - Replace NTC
temperature sensor  p. 34
NO - Go to point b)
YES - b) Building block (15)
defective?
YES - Replace building
block  p. 34
NO - Go to point 6.3
6.3 Indicator light is steady
green?
YES - Heating up time is within
40 sec ( p. 71)?
YES - Machine is ready. Go
to point 6.4
NO - Replace building block
 p. 50
6.4 Machine is hissing after
heating up?
YES - Replace cpl. coffee
machine
NO - Go to point 7
7 Check HMI func-
tionality
7.1 Selector wheel turns
flawlessly?
YES - Go to point 6.2
NO - Replace HMI module (1)
 p. 34
7.2 Bar display lights up
accordingly to movement of
rotary button?
YES - All bars are functional.
Go to point 6.3
NO - Replace HMI module (1)
 p. 34
7.3 Remove capsule holder
and close locking handle.
Pump starts working when
selection lever is turned left
or right?
YES - Reed switch defective
NO - Go to point 8
YES - Replace cpl. coffee
machine
8 Rinse coffee
machine  p. 22
8.1 Pump not working?
YES - Thermo fuse on pump
(19) defective?
NO - Go to point 8.2
YES - Replace pump  p. 34
NO - Replace building block
 p. 34
8.2 Selection lever does not
stay in cold or hot water posi-
tion?
YES - Head magnet (30) defec-
tive?
NO - Go to point 8.3
YES - Replace cpl. coffee
machine
8.3 No or only little water
from coffee outlet?
YES - a) Water tank inserted
correctly?
YES - Go to point b)
NO - Insert water tank
correctly
YES - b) Filter (25) in water tank
connector (20) blocked or
assembled upside down?
YES - Clean, check or
replace water tank
connector ( p. 55)
NO - Go to point c)
YES - c) Fluid system empty?
YES - Prime fluid system
 p. 71
NO - Go to point d)
YES - d) Fluid system severely
scaled or blocked?
YES - Deblock injector
 p. 88). Descale machine
 p. 89
NO - Go to point 8.4
8.4 Locking handle can be
opened during rinsing?
YES - Replace cpl. coffee
machine
NO - Go to point 9
Check
procedure
Symptoms Action / repair work
Further action /
repair work