Coffee review

Introduction to the reason why the coffee made by Delon coffee machine 4200 has dregs.

Published: 2025-08-21 Author: World Gafei
Last Updated: 2025/08/21, Delon coffee machine 4200 coffee has dregs what is the reason for troubleshooting introduction the first point coffee beans should be ground before cooking, the difference between drip type and steam type is that the former brew coffee taste will be lighter, if you like coffee, or choose steam type, can be a little thicker, I just checked under Delong steam coffee machine is the change to the previous mocha coffee pot

Introduction to the reason why the coffee made by Delon coffee machine 4200 has dregs.

The first point is that coffee beans should be ground before cooking. The difference between drip type and steam type is that the coffee made by the former tastes lighter, and if you like coffee, you still choose steam type, which can be a little thicker. I just checked that the Xiadelong steam coffee machine is a change to the former mocha coffee pot. The steam was sprayed from the bottom up to the top down, but the additional foam function is still good, but the overall feeling is still more expensive. The performance-to-price ratio is not too high, it is better to buy a steam coffee machine alone, a simple French presser can do it, and usually drink coffee with a little milk.

The warning light is always on and the machine does not work after the Delon 3000 gamble 4000 series coffee machine is turned on.

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: the amount of coffee can not be adjusted, the water shortage lamp flashes, but it can make coffee, after putting hot water, the water shortage light is not on, but after making a cup of coffee, the water shortage lamp flashes again.

The water meter is broken

3 release steam, no steam, later, the water shortage indicator flashes.

There may be something wrong with the pump

4 if the automaton bean grinder has finished grinding, the water pump starts to work to make coffee and suddenly removes the water tank, what will happen, what accessories will break down, and how to deal with it.

The water tank should be put back and hot water should be released.

The thermal protector of the heater is easy to damage.

5 Delong coffee machine 3500 6600, after being turned on, there is no Ready message for a long time, and finally GENERICALARM appears.

Check if there is heat in the warm cup area.

Usually the heater doesn't work, check the temperature protector.

6 as the customer did not completely shut down the case, the extractor will be forcibly pulled out, and forced installation, but the water plate is not in place, how to solve the fault without dismantling the machine?

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