Instructions for the failure of ESAM2200 circuit board of Delong coffee machine
1 Delong 2200, Delong 3000B, Delong 3200, Delong 4000, Delong 4200 series coffee machine after startup, the warning light is always on, 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 ESAM2200, ESAm3000B, esam3200S, esam4000B, esam4200 series coffee machine, 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 3500, Delong 6600, after boot, there is no Ready message for a long time, and finally there is GENERICALARM.
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?
Unplug the power supply
Manually reset the coffee grounds and door switch
Switch (the power) on
Automatic reset of extractor
(7) the pillar used to fix the extractor in the shell part has been broken, how to solve it?
The original plastic pillars should be removed and the copper pillars provided by the company should be replaced.
8 Delong 3000Gel 4000 series coffee machine, press the key, sometimes can not turn on, sometimes can not turn off, coffee powder lamp (the light in the lower right corner) will light up for no reason, sometimes the hand touches the coffee powder key, without pressing the button, the light will come on.
Replace the panel circuit board and troubleshoot.
9 automatic coffee machine extractor stuck to the water plate, resulting in start-up can not be up and down, the water plate and extractor can not be taken out
It is estimated that this fault is caused by the customer incorrectly cutting off the power plug, open the back cover of the machine, receive the rotating pulley, make the extractor rise to a slightly higher position, then check the power supply, turn on, and troubleshoot.
10 Delong 3000Gr 4000 series coffee machine, just started to make coffee, the knobs and buttons on the panel function normally, but after making 2-3 cups, the knobs and buttons are confused, such as rotating the coffee powder knob, the water shortage light will always be on.
Replace the panel circuit board, troubleshooting, but carefully observe the working process of the coffee machine, found that the boiler interface steam leakage, estimated steam into the panel circuit board, resulting in panel function failure. Replace boiler seal gasket 5332107700, troubleshooting.
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Factors affecting the quality of espresso-espresso and American coffee
The factors that affect the quality of espresso-espresso and American coffee are pre-soaking time. Before the Espresso machine starts the main extraction step, it is best to let the coffee powder be filled with saturated water. This action is called pre-immersion and must last for 1 to 2 seconds. Barista training course: factors affecting the quality of espresso? The second is water quality. The water quality of brewing coffee will be shaded.
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Delong coffee machine grinding degree change grinder adjust disassembly and repair blockage
Delon coffee machine grind degree change grinder to adjust dismantling and repairing clogged coffee only flows out of one coffee outlet outlet clogged. We can use toothpicks to clean the coffee outlet. The milk foam is too big, not cold enough or not semi-skimmed milk. We need to use refrigerated skim or semi-skim milk (about 5 ℃). If the effect is still not ideal, you need to
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