What is the reason for cleaning the coffee made by Delon coffee machine 4200?

What is the reason for cleaning the coffee made by Delon coffee machine 4200?

The coffee residue box indicator is always on.

Delong 2000, Delong 3000, Delong 3200, Delong 4000, Delong 4200 coffee machine series

At the bottom, the second light is always on from the left. You should take out the coffee residue box and clean it up when you turn it on. If you operate in the off state, the light will not go out and the machine will not work.

1. In the standby state, add the Delong coffee machine cleaning agent to the water tank according to the instructions and fill the water with 7 points (in the box that buys the Delong coffee machine, there will be a bottle of Delong detergent, if not, you need to buy it).

2. Press the detergent button for a long time, and a row of lights on the Delong coffee machine will flash.

3. Turn on the steam knob and the coffee machine removes dirt automatically (drains out in the steam bar).

4. when the water in the first tank is finished, add clear water to the tank and continue to wash it automatically through the steam bar coffee machine.

5. After the above descaling steps are completed, the lamp will disappear automatically.

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 pressing the 2-cup key, the extraction part walks down, F8 is negative voltage, F7 is positive voltage, the voltage value is 200V, and the voltage disappears after reaching the bottom. After the purchase of 2-cup automatic coffee machine, the first several times of use are normal, but after several times of use, there will be the above problems, check the thickness of 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.