Troubleshooting - VEVOR WY-890 Instruction Manual

Problem
1 The film can not
be cut off.
2 The cup is not
well sealed, has a
small breach and
leakage.
3 The film does not
stick to the cup.
4 The film always
rolls, the machine
does not come
down.
5 When you pull out
or pull in the tray,
the film does not
roll.
Trouble shooting
Reason
1 The serrated knife is
distorted
2 The serrated knife has dirt or
syrup
1 There's residues or foreign
objects on the heating plate.
2 The temperature of the
beverage is too high.
1 The temperature is too low.
2 The film is reversed. (If the
film is reversed, it will stick to
the heating plate)
1 The film is not inside the
trough of the sensor.
2 The black patches pass
through the sensor, but the red
light of the sensor isn't on, the
sensor is not sensitive.
3 When the film passes
through the sensor, the red
light is always on.
1 The machine has entered
into protection state, will not
make any operation.
Solution
Change the serrated knife
Clean the dirt or syrup on the
serrated knife
Clean the residues or foreign
objects on the heating plate.
The temperature of the beverage
is advised to be or less than
45℃.
Increase the temperature, but it
is not suggested to be higher
than 180℃.
Clean off the film on the heating
plate, reinstall the film according
to the pattern.
1 Reinstall and adjust the film.
2 The sensor is not sensitive,
increase the sensitivity. The
detailed adjusting method is on
the right side of the machine.
3 The sensor is too sensitive,
reduce the sensitivity. The
detailed adjusting method is on
the right side of the machine.
Restart the machine, it will quit
out the protection state and seal
the cup again.
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