Dr.coffee F11 Series - Without Pointed Error

REV1.0
Dr.coffee Service Manual 32
8.3 Without pointed error
No.
error
Cause
solution
1 Boot without display
a) The machine is not unplugged
b) The machine not started
c) Power PCB damaged
 Check if the machine is plugged
 Check if the machine is started
 Replace power PCB；（refer to 9.2.10）
2 No milk
a) Milk tank empty
b) Milk system blocked
c) Milk frother blocked
d) Milk temperature adjustable button too tight
e) The seal ring is broken, air leakage
 Check if the milk container is full filled
 Milk system rapid rinse
 Disassemble milk frother and clean under water
 Rotate the milk temperature adjustment knob counterclockwise
 Exchange seal ring
3 No milk foam , milk is fine
a) Air inlet valve locked
b) Air inlet tube blocked
 Unblock the air intake or replace
 Check inlet tube
4 No coffee
a) Division valve at wrong position
b) Coffee grounds too fine
c) Filter of brewer blocked
d) Brewer water leakage
 Reboot machine ,division valve self-clean
 Turn the grinding degree to rough position
 Wash and clean brewer filter

Disassemble brewer or replace brewer
5 crash a) The system stopped working unexpectedly
 Switch off , 5seconds later reboot the machine
 Upgrade software
6 Water leakage
a) Division valve water leakage
b) Two-way valve water leakage
c) Check valve in drip tray water leakage
d) water tank water leakage
 Change division valve
 Change two –way valve
 Press the check valve to reset multiple times or replace the check valve
 Change water tank
Technicup Service Manual