GeekChef GCF20D User Manual page 16

PROBLEM
Machine is not
working
The milk cannot froth
TROUBLESHOOTING
CAUSE / RESULT
The power cord is not
plugged well.
NTC is short circuit
Machine malfunctions
Steam indicator not light on
The container is too big or the
shape is not fit
Used skimmed milk
Plug the power cord into a
wall outlet correctly,
Please contact with the
authorized service
Wait steam indicator lights on.
Use high and narrow cup or
garland cup
Use whole milk
15
SOLUTION