Dr.coffee M12 - Descaling Required; No Network

Rev 0.1
Dr.coffee Service Manual 50
8.1.19 Descaling Required
Showing in the Screen
Cause
Solutions
a) After a certain cups of milk coffee
made, it will alarm;
b) The amount of cups could be set in
Maintenance Setting
➢ Follow the screen instructions, enter the
service menu bar, find the corresponding
function menu, and perform Descaling.
8.1.20 No network
Showing in the Screen
Cause
Solutions
a) 4L Signal is too weak；
b) 4G SIM card Arrears or damage
c) The network module in the coffee machine
is damaged, causing the coffee machine to
fail to connect to the Internet;
➢ Take the coffee machine to a position with
good signal quality, turn off the power and
restart;
➢ Renewal and use new SIM card, turn off
the power and restart.
➢ Turn off the power and replace new
network module, then restart the
machine.