Krups Nescafé Dolce Gusto Lumio KP130110 Service Manual page 30

Check
procedure
3.1 Inside of extraction head
soiled (capsule holder
removed)?
3.2 Pressure rollers inside of
extraction head jammed?
3.3 Metal sheet (12) inside
extraction head missing
(necessary for reed switch)?
3.4 Cracks in side parts of
locking handle (16)?
3 Check extraction
3.5 Difficulties when closing/
head (2)
opening locking handle with/
without inserted capsule
holder?
3.6 Selection lever cannot be
moved to left/right position
when locking handle is
closed?
3.7 Selection lever can be
moved to left/right position
when locking handle is
opened?
4.1 Water tank valve func-
tional? For testing press in
and release piston with auxil-
iary tool (e.g. pen)
4 Check water
4.2 Water tank is leaking after
tank (13)
filling?
4.3 Water tank is leaking
when inserted in machine?
5 Plug into mains
and read out error 5.1 Error code displayed?
code  p. 27
6 Plug into mains
and turn rotary 6.1 Machine shows no func-
button to switch tion?
ON machine
30
T R O U B L E S H O O T I N G
Symptoms
Lumio service manual
Action / repair work
YES - Clean with a damp cloth
NO - Go to point 3.2
YES - Clean and make pres-
sure rollers move freely again
NO - Go to point 3.3
YES - Replace cpl. coffee
machine
NO - Go to point 3.4
Yes - Replace locking handle
NO - Go to point 3.5
YES - locking handle does not
stay in open or closed position
or does not move flawlessly
NO - Go to point 3.6
YES - Selection lever blocks or
does not move back to middle
position
NO - Go to point 3.7
YES - Replace cpl. coffee
machine
NO - Go to point 4
YES - Go to point 4.2
NO - Replace water tank
YES - Replace water tank
NO - Go to point 4.3
YES - Check / replace water
tank and water tank connector
NO - Go to point 5
YES - Compare with error code
list  p. 28
NO - Go to point 6
YES - a) Power cord (37)
faulty?
YES - b) Loose connections or
damaged wires?
YES - c) Thermo fuse(s) on
thermoblock defective?
YES - d) HMI module (1) defec-
tive?
Further action /
repair work
YES - Replace cpl. coffee
machine
YES - Replace cpl. coffee
machine
—
—
 p. 55
YES - Continue with repair
YES - Replace power cord
 p. 53
NO - Go to point b)
YES - Reconnect / replace
wires
NO - Go to point c)
YES - Replace building
block (15)
NO - Go to point d)
YES - Replace HMI 
p. 34. If necessary, replace
building block (15)  p. 34
NO - Go to point 5.2