Dr.coffee F20 - Abnormality of Right Bean Grinder; Abnormal Washing and Boiling System; HMI Communication Abnormality

Rev 00
Dr.coffee Product Maintenance Manual 65
Left bean
grinder is
abnormal
a)
The left bean grinder is blocked by
hard objects;
b) The left bean grinder is damaged;
c) The power board is damaged;
d) Hall sensor group is damaged;

Remove the bean grinder and clean
the hard objects in the cutter
head;

Replace the bean grinder with a new
one;

Replace the power board with a new
one;
 Replace a new hall sensor group;
5.1.4 Abnormality of right bean grinder
Name
Display prompt
R
eason
S
olution
Abnormality
of right
bean
grinder
a)
The right bean grinder is blocked
by hard objects;
b) The right bean grinder is damaged;
c) The power board is damaged;
d) Hall sensor group is damaged;

Remove the bean grinder and clean
the hard objects in the cutter
head;

Replace the bean grinder with a new
one;

Replace the power board with a new
one;
 Replace a new hall sensor group;
5.1.5 Abnormal washing and boiling system
Name
Display prompt Reason Solution
Abnormal
washing and
boiling
system
a)
The bubbler is blocked by foreign
matters;
b)
The drive set of the bubbler is
damaged;
c) The brewer is damaged;
d) The main control board is damaged;

Try to turn off the machine power
and restart it;

Dismantle the bubbler for
inspection and cleaning;

Replace the drive set of the
bubbler with a new one;
 Replace the new brewer;

Replace the main control board with
a new one;
5.1.6 HMI communication abnormality
Name
Display prompt
R
eason
S
olution