Dr.coffee F08 - Brewer System Error; HMI Communication Error; Coffee Thermo-Block NTC Error

Rev 0.0
Dr.coffee Service Manual 32
9.1.2 Brewer System Error
Name
Showing on the Screen Cause Solutions
Brewer
System
Error
a) Tap three times ”brewer self-checking”
,
prompts brewer system error
b) The Brewer is blocked is stuck;
c) The motor doesn’t work;
d) The Brewer damages;
e) Control Board damages;
 Switch off the machine and restart;
 Disassemble the brewer , check and
clean;
 Replace a new motor;
 Replace a new Brewer;
 Replace a new Control Board;
9.1.3 HMI Communication Error
Name
Showing on the Screen
Cause
Solutions
HMI
Commun
ication
Error
a) Main Board and display board connection
loose or damaged;
b) Control software doesn’t match with the
HMI software;
c) HMI PCB damages;
d) Main Board damages
 Check the plugs on HMI PCB and
reconnect;
 Upgrade Control software and HMI
Software;
 Replace a new HMI PCB;
 Replace a new Main Board.
9.1.4 Coffee Thermo-block NTC Error
Name
Showing on the Screen Cause Solutions
Coffee
Thermo-
block
NTC
Error
a) The temperature of the thermos-
block
exceeds settled value
b) Electronic fault between sensor and
master
c) Sensor damaged；
 Check line, re-install or replace;
 Replace new NTC sensor;
 Turn off machine and wait for 30 minutes,
turn on again;
 Replace new thermos-block group.
Technicup Service Manual