Item Confirmation No. No. Cause Remedy RemarksProblem
Prob-
ability
Contropistone seal
damaged
YES - replace brew unit seal, item:
73000065
NO - continue to 3.3.6.5
1. Disassemble brew unit
according to 4.2.3;
2. Replace or repair
damaged components
according to brew unit
explosive view
8810101016
1. Disassemble brew unit
according to 4.2.3;
2. Replace or repair
damaged components
according to brew unit
explosive view
8810101016
1. Disassemble drainage
valve group according
to 4.2.10;
2. Replace or repair
damaged components
according to drainage
valve group explosive
view 8810101006
YES - replace coffee brewing
group, item: 8810101023
NO - continue to 3.3.6.6
YES - replace brew unit seal,
item
73000035
Brew unit piston
seal damaged
Brew unit seal
damaged
READY
Little water
drops from
coffee
export
when
CLEANING (
normal
volume
should be
more than
35ml)
The following should be repaired or replaced by dismatling the machine
Press
On/Off to
AUTO
CHECKIN
G and
then to
READY
Refer to 3.4.1.2
Refer to 3.4.1.2
1. Disassemble control
panel according to 4.2.8;
2. Disassemble control
panel components
according to 4.3.4;
3. Replace or repair
damaged components
according to control
panel explosive view
8810101007
Disassemble PCBA,
replace and repair
according to 4.2.12
YES - clean the touch screen
NO - continue to 3.4.1.2
YES - replace ITO, item: 78000004
NO - continue to 3.4.1.3
YES - replace and repair HMI,
item: 78000002
NO - continue to 3.4.1.4
YES - conncect or replace
connector, item: 78000024
NO - continue to 3.4.1.5
YES - replace or repair PCBA,
item: 78000006
Touch screen with
glove or touch
screen is dirty
ITO damaged
HMI damaged
The connector
between HMI and
PCBA is damaged
or dropped
PCBA damaged
Touch
screen
becomes
invalid
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