Coffee machine and bean grinder knowledge points: common problems in the use of semi-automatic coffee machine and bean grinder

Reason

Solution method

A, (brew) time is too long (more than 25 seconds). The brewing speed is too slow.

1. Coffee powder is too fine

2. Too much coffee powder

3. The pressure of the pump is too small

1. Thicken coffee powder

2. Adjust the amount of coffee powder

3. Adjust the pressure of the water pump, note: please adjust the professional staff.

B, (brew) time is too short (less than 15 seconds), brewing too fast

1. Coffee powder is too coarse

2. Too little coffee powder

3. The pump pressure is too high.

1. Fine coffee powder

2. Ensure that the number of grams in the access specification is fixed.

3. Adjust the pressure of the water pump, note: please adjust the professional staff.

When C and Cream are less, they disappear too quickly and the extraction time is too long.

1. Coffee powder is too fine

1. Thicken coffee powder

D and Cream are sufficient, but thicker and dissipate quickly.

1. Coffee powder is not fresh

1. Remove the old powder and open a new packet of fresh bean mill powder.

E, dark color

1. The extraction water temperature is too high.

Lower boiler pressure and measured water temperature

F, the coffee is burnt.

1. The extraction water temperature is too high.

2. Coffee beans are overroasted.

3. The extraction time is too long

1. Lower the boiler pressure and water temperature.

2. Change beans

3. Reduce the extraction time

G, the steam head airflow is difficult to foam.

1. Milk caking and blocking the steam hole

2. Boiler pressure is low.

1. Please dredge the steam hole (tools such as pins are available)

2. Wait until the pressure is restored or ask a professional to adjust the boiler pressure.

H, when brewing, there is no water or only a little water dripping.

1. Coffee machine water supply is cut off

2. The filter has not been cleaned for a long time.

1. Check the condition of water supply

C 、

Follow the steps in "Daily cleaning and maintenance Card" to

More than two times less complete cleaning

I. The machine will not be heated after starting.

1. Steam valve is not open

2. The power supply is cut off

1. Open the steam valve and observe for another half an hour

2. Check whether the power supply is normal.

J, there is a leakage in the coffee machine

1. The drainage is not smooth

2. Loose internal connection

1. Open the drip tray according to the instructions to dredge the water in the drainage building.

2. Ask professionals to check and repair.

K, brewing start / end coffee machine has a momentary fantasy or a fantasy during the whole brewing process.

1. It is difficult to start the built-in water pump motor.

1. Ask professionals to check and repair

L, bean grinder does not grind powder

1. Coffee powder in the powder jar has reached the set position

2. The powder cartridge cover is not covered.

3. Power supply

4. Coffee powder caking

1. Normal phenomenon: when the amount of powder decreases, it will start grinding.

2. Cover the powder cartridge.

3. Check whether the power supply is powered on

4. Unplug the power supply, remove the bean jar, pour out the coffee powder, and clear the caking in the bean jar with a brush.

Source: network