Operation Manual
41
ENGLISH
11 - TROUBLE SHOOTING
PROBLEM CAUSE REMEDY
Machine switch off 1. Mains switch off
1.
p
osition the machine switch to
p
osition ON
2. Machine switch off
2.
p
osition the machine switch to
p
osition 1
3. Incorrect electrical mains connection 3. contact s
p
ecialized
p
ersonnel in order
to check the connection
No water in boiler 1. Mains ta
p
closed 1. o
p
en the mains ta
p
2. Clo
gg
ed
p
um
p
filter 2. re
p
lace the filter
3. Motor driven
p
um
p
not in o
p
eration 3. contact s
p
ecialized
p
ersonnel
No unit deliver
y
1. mains ta
p
closed 1. o
p
en the mains ta
p
2. motor driven
p
um
p
out of order 2. contact s
p
ecialized
p
ersonnel
3. clo
gg
ed
g
i
g
leur 3. contact s
p
ecialized
p
ersonnel
4. burnt control box fuse 4. contact s
p
ecialized
p
ersonnel
5. unit solenoid valve out of order 5. contact s
p
ecialized
p
ersonnel
6. unit switch out of order 6. contact s
p
ecialized
p
ersonnel
Steam fails to come out of
the nozzle
1. too much water in boiler 1. see s
p
ecific
p
roblem
2. dama
g
ed resistance 2. contact s
p
ecialized
p
ersonnel
3. clo
gg
ed s
p
ra
y
er element 3. clean the s
p
ra
y
er element
4. resistance saver en
g
a
g
ed 4. reinsert the resistance
Too much water in the boiler
1. the motor driven
p
um
p
remains
en
g
a
g
ed
1. contact s
p
ecialized
p
ersonnel
2.
p
erforated exchan
g
er 2. contact s
p
ecialized
p
ersonnel
3. automatic char
g
e solenoid valve
blocked
3. contact s
p
ecialized
p
ersonnel
Si
g
ns of water leaka
g
e on
bench
1. dirt
y
drain tra
y
1. clean the tr
y
2. draina
g
e
p
i
p
e clo
gg
ed or detached 2. re
p
lace the draina
g
e
p
i
p
e
3. other leaka
g
e 3. contact s
p
ecialized
p
ersonnel
Wet coffee dre
g
s 1. Grindin
g
re
g
ulated too fine 1. Ad
j
ust
g
rindin
g
value
2. Unit still cold 2. wait for the machine to reach the
correct tem
p
erature
3. Solenoid valve fails to dischar
g
e 3. contact s
p
ecialized
p
ersonnel
Coffee dis
p
ensin
g
too slow
1.
g
rindin
g
element set too fine 1. Ad
j
ust the
g
rinder
2. dirt
y
filter-holder 2. re
p
lace the filter and undertake more
fre
q
uent filter-holder cleanin
g
3. clo
gg
ed unit 3. contact s
p
ecialized
p
ersonnel
4.
g
i
g
leur or solenoid valve
p
artiall
y
clo
gg
ed
4. contact s
p
ecialized
p
ersonnel
Coffee dis
p
ensin
g
too fast
1.
g
rinder is re
g
ulated too lar
g
e 1. re
g
ulate the
g
rindin
g
Coffee delivered cold
1. Lime scale
p
resent on the exchan
g
ers
or the resistances
1. contact s
p
ecialized
p
ersonnel
2. oxidized
p
ressure switch contacts 2. contact s
p
ecialized
p
ersonnel
3. defective electrical connection 3. contact s
p
ecialized
p
ersonnel
4.
p
artiall
y
burnt out resistance 4. re
p
lace the resistance element
Coffee delivered too hot 1. incorrect
p
ressure switch calibration 1. re
g
ulate the
p
ressure switch b
y
means
of the relative screw
(
cha
p
. 6.2
)
12 - MACHINE DISMANTLING
To dismantle the machine we recommend that it is dismantled and
the parts separated according to the type of materials involved
(plastic, metal, etc). The parts separated in this way are then to be
sent to the relative specialized disposal companies.