Coffee review

Delon coffee machine coffee dregs trough can not close the door instruction introduction

Published: 2025-08-21 Author: World Gafei
Last Updated: 2025/08/21, The coffee dregs trough of Delon coffee machine can not close the door. The operating instructions introduce that the pillar used to fix the extractor in the shell part has been broken, how to solve it? Should remove the original plastic pillar, replace the copper pillar Delong 3000jue 4000 series coffee machine provided by the company, 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

Delon coffee machine coffee dregs trough can not close the door instruction introduction

The pillar used to fix the extractor in the shell component 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.

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.

The extractor of the automatic coffee machine is stuck on the water plate, which makes it impossible to start up and down, and neither the water plate nor the extractor can 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.

Delong 3000Gel 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.

The extractor can not be taken out, so observe that the extractor is at the top. One, two, the alarm light is always on.

After entering the functional test mode, the extractor can move up, but not down. after inspection, the extractor motor is broken, replace the motor and troubleshoot.

The voltage at both ends of the motor is normal. When moving up, F8 is positive, F7 is negative, and the voltage value is 200V. After reaching the top, the voltage disappears and 1 cup light is on. When the 2-cup key is pressed, the extraction part walks downwards, F8 is negative voltage, F7 is positive voltage, and the voltage value is 200V. After reaching the bottom, the voltage disappears and the 2-cup lamp is on.

One drink, two drinks, warning light on.

It may be that the extractor motor is broken, the general motor resistance value is about 200 ohms, if it is too small or open, it should be judged as motor damage. Since this motor is a DC motor, the measuring motor needs to be turned to the motor by hand, and the resistance value is measured in each gear.

If the resistance value is too small, the circuit board may also be damaged, so the circuit board cannot be replaced first, lest the motor burn the circuit board again. If the power is plugged in and the relay sound on the circuit board cannot be heard, it is estimated that the circuit board needs to be replaced.

When coffee comes out of the water, it is dripping, not a current.

After the purchase of the automatic coffee machine, the first few times of use are normal, but after several times of use, the above problems will occur, and check the thickness of the coffee powder is also normal. At this time, it is necessary to check whether there are two pieces of metal filter on the extractor. If there are two pieces, remove one piece, and the fault will disappear.

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