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Maintenance of Italian coffee machine: common faults and handling methods of Delong coffee machine

Maintenance of Italian coffee machine: common faults and handling methods of Delong coffee machine

Summary of malfunctions of Delong automatic coffee machine 1 Delong Coffee 3000 Ultimate 4000 series coffee machine after startup, the warning light is always on and the machine does not work. After entering the test mode, start the motor, the motor has a slight action, but does not work. After inspection, the bridge stack on the circuit board (rectifier bridge) is damaged, replace the bridge stack, troubleshooting. 2 Delong coffee machine 3000, 4000 series, fault: coffee

2015-12-09
The most effective method for judging the basic knowledge and freshness of coffee beans

The most effective method for judging the basic knowledge and freshness of coffee beans

The "light baked beans" that are not fresh and have a light brown appearance are dry and will not produce oil after baking. The phenomenon of "spot oil" begins to appear about five days after it comes out of the oven (it may be shortened to one or two days at the height of summer). Please note: a little "spot oil" does not mean that it is not fresh. sometimes it's the opposite.

2016-05-25
8 Types of Patients Who Should Not Drink Coffee Heart Disease Patients Should Not Drink Coffee

8 Types of Patients Who Should Not Drink Coffee Heart Disease Patients Should Not Drink Coffee

1. Hypertension: Coffee contains caffeine, which can increase blood pressure in some sensitive patients. 2. Renal failure: renal failure patients if there is hyperkalemia phenomenon, the need to cooperate with potassium-limited diet, coffee potassium content is high. 3. Peptic ulcer: caffeine stimulates gastric acid secretion, relaxes smooth muscle vessels of the digestive system, accelerates food metabolism, and reduces the nutritional value of food. 4. Diabetes: Coffee

2015-11-10
Coffee research caffeine is not the culprit of bone pine

Coffee research caffeine is not the culprit of bone pine

It is rumored that drinking too many caffeinated drinks can cause osteoporosis. Xiao Yimin smiled and refuted this claim. He says it can cause osteoporosis, which is usually caused by a combination of many factors, such as too white skin, not often basking in the sun and not exercising often. On the other hand, the caffeine content of tea and carbonated drinks is not high, and drinking too much can cause chronic back pain at most and will not cause osteoporosis. Ten thousand

2014-11-03
Store owners talk about the misunderstanding of opening a store.

Store owners talk about the misunderstanding of opening a store.

At present, more and more people want to open a coffee shop in China, some people want to realize their dreams, some people want to open coffee shops to make money, some people want to find their dreams in coffee. Yes, there is. There are a lot of ideas, but if you want to open a store, have you ever thought about everything after opening a store? I remember the first paragraph of "tasting Coffee" written by Chen Haopai.

2015-04-28
Oiled coffee beans and freshness

Oiled coffee beans and freshness

What is the relationship between the "oil" of coffee beans and the freshness? Should we buy coffee beans that have "oil" or "no oil" in appearance?

2014-06-18
Who is not fit to drink coffee?

Who is not fit to drink coffee?

In patients with liver disease, caffeine prolongs the time it takes to thank caffeine in the body. In general, the metabolism of caffeine in normal adults takes 2 hours, but in patients with liver disease or liver insufficiency, the metabolism of caffeine may take 4-5 hours, so patients with liver disease should be careful when drinking coffee, it is best not to drink it after dusk, so as not to affect sleep due to long metabolic time, and it is the best day.

2015-05-12
Caffeine is not the culprit of bone pine.

Caffeine is not the culprit of bone pine.

[Taiwan Xing Bao reporter Hong Jie reports] drinking coffee can cause osteoporosis? Hsiao Yimin, an attending orthopedic physician at Chung Hsing Hospital of Taipei Municipal Union Hospital, says that the main cause of osteoporosis is that Taiwanese do too little exercise, do not like to bask in the sun, and lack of calcium absorption, not caffeine. It is rumored that drinking too many caffeinated drinks can cause osteoporosis. Xiao Yimin laughs

2014-07-17
What is the good acid and bad acid of coffee? How to distinguish between good acid and bad acid in fine coffee?

What is the good acid and bad acid of coffee? How to distinguish between good acid and bad acid in fine coffee?

First, what is good acid and what is bad acid because of sour and sweet, sometimes the taste will be more three-dimensional, but because sweetness is easily disturbed by smell, so there is a first about sweetness. From seeing a lot of friends around me, a cup of coffee with a good flavor, but sour but not sweet, smells 90 points, but the entrance is completely disappointed and unqualified, sour like a punch, but

2016-02-19
Don't let caffeine affect your life. It's not advisable to refresh yourself with coffee.

Don't let caffeine affect your life. It's not advisable to refresh yourself with coffee.

Abstract: Wang Hai, the first person in China to crack down on counterfeiting, took Coca-Cola to court because the caffeine content was not marked. Caffeine is not uncommon in our daily life. In addition to drugs, coffee, tea, many soft drinks and functional drinks contain caffeine. Experts point out that adults consuming 200 milligrams of caffeine a day can lead to caffeine dependence, especially in children who are physically developing.

2015-07-01
Take the ointment to avoid coffee, milk and strong tea

Take the ointment to avoid coffee, milk and strong tea

For a long time, people have been in the habit of taking plaster prescriptions in winter, but Chinese medicine experts warn that they are very particular about taking plaster prescriptions, such as taboo, irritant, allergic food, tobacco and alcohol, and do not take them together with coffee and other things.

2014-06-11
Aren't the oiled coffee beans fresh?

Aren't the oiled coffee beans fresh?

Oily coffee beans, have you ever roasted coffee beans that are oily on the outside? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What is the relationship between the "oil" of coffee beans and the freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil, which is not oil, these "oil" evenly distributed on the surface of coffee beans, in fact

2016-05-24
Simple answers to frequently asked questions-write to beginners

Simple answers to frequently asked questions-write to beginners

The following only represents my personal opinion, with the deepening of my understanding of coffee, I am also a little bit in progress, if there is something wrong, welcome to correct. Cut the crap and get to the point:

2014-08-04
The benefits of coffee not having coffee with anything

The benefits of coffee not having coffee with anything

1. Wine, coffee and wine had better not be eaten together, it is too irritating. The alcohol contained in the wine has an exciting effect, while the caffeine contained in coffee also has a strong exciting effect. It is very exciting for people to drink both together. If you drink this way when you are nervous or irritable, it will aggravate the tension and irritability; if people with neurological headaches drink it like this

2016-05-31
What can't you eat coffee with? Remember that coffee should not be served with tea.

What can't you eat coffee with? Remember that coffee should not be served with tea.

1. Remember that coffee should not be served with tea. Tannic acid in tea and caffeine reduces iron absorption by 75%. It is suitable to use warm boiled water to serve. The tannic acid in tea and coffee reduces calcium absorption. Therefore, the best time to drink tea and coffee is to choose between two meals. Caffeinated drinks and foods can cause nausea, vomiting, headache and rapid heartbeat after being consumed by pregnant women.

2015-10-20
What factors influence the location of coffee shops?

What factors influence the location of coffee shops?

Coffee shop opening, location is very critical, the correct location can make your coffee shop success rate reached 70%, visible the importance of location, but in the end how is the best location? 1. It is not advisable to open coffee shops in areas with few residents. If the coffee shops are located in areas with small resident population, small floating population and lack of popularity, it is difficult to form relatively stable consumer groups. 2

2015-04-09
White coffee is known as the healthiest coffee.

White coffee is known as the healthiest coffee.

White coffee is known as the healthiest coffee White coffee is suitable for those people?? Health. White coffee is completely free of impurities such as wheat grains and corn grains, generally contains no sugar, low calories, caffeine is less than 10%, does not contain any additives, can be brewed directly, and maintains the pure flavor of natural coffee. White coffee is not hot, not hot, caffeine content is less than 10%, does not contain any additives

2015-07-06
The problem of making coffee is that the thickness of hand-brewed caffeine is not enough?

The problem of making coffee is that the thickness of hand-brewed caffeine is not enough?

The mellow thickness and aroma of hand-brewed coffee are not enough, the problem lies in the steaming effect of coffee. If the steaming is not enough, the aroma will be thin and the thickness will be low. Have you found a problem that different water temperatures will lead to different aroma and alcohol thickness of hand-brewed coffee? the advice here is: the alcohol thickness and aroma of hand-brewed coffee are not enough, the problem lies in the steaming effect of coffee. Stuffy

2014-11-25
Coffee Business Cafe Management

Coffee Business Cafe Management

For coffee shop operators, the biggest concern throughout the operation may be daily turnover.

2014-05-14
Three-in-one instant coffee should not be drunk.

Three-in-one instant coffee should not be drunk.

The popular three-in-one instant coffee is an industrial synthetic product, which is mainly composed of granulated sugar, fat coffee companion and coffee. Its nutritional composition is not as good as the traditional coffee made from fresh coffee beans. It has higher fat and sugar content, lower quality protein and caffeine, and may lose the essence of coffee in the production process. For obese people and people who are losing weight, although there are few reports

2014-06-11
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