Dr.coffee F20 - Faults; Screen Prompt Faults

Rev 00
Dr.coffee Product Maintenance Manual 64
5 Fault
5.1 Faults with screen prompt
5.1.1 Abnormal water supply of powder boiler
Name
Display prompt Reason Solution
Abnormal
water supply
of powder
boiler
a)
When the prompt "system water
shortage" is displayed, and after
three "water replenishment", the
prompt "powder boiler water supply
is abnormal" will be displayed;

After checking that the water
supply is normal, try to turn off
the machine power and restart it;

Check the water inlet pipe joint or
sealing ring and reinstall it in
place;

Check whether the water pipes of
coffee machine and
powder machine
are connected properly;
 Clean the filter screen;

Reinstall the water tank and push
it to the bottom;

Use tablets to clean the filter
screen of the bubbler or remove it
for cleaning;

Replace the flowmeter with a new
one;
 Replace the water pum
p with a new
one;
5.1.2 Abnormal water supply of coffee hot plate
Name
Display prompt Reason Solution
Abnormal
water supply
of coffee hot
plate
a）
When the prompt "water shortage in
the system" is displayed, and after
three "water replenishment", if
the
water replenishment has not been
successful, the prompt "coffee
electric tray water supply is
abnormal" will be displayed;

After checking that the water
supply is normal, try to turn off
the machine power and restart it;
 Check the water inlet pipe join
t or
sealing ring and reinstall it in
place;
 Clean the filter screen;

Reinstall the water tank and push
it to the bottom;

Use tablets to clean the filter
screen of the bubbler or remove it
for cleaning;

Replace the flowmeter with a new
one;
 Replace the wat
er pump with a new
one;
5.1.3 Left bean grinder is abnormal
Name
Display prompt
R
eason
S
olution