1.E0 1 Error: This means that the water tank is insufficient, so the water tank needs to be filled with enough water. At this point, users should check whether the water tank is dry, and if so, they need to fill the water in the water tank.
2.E02 Error: This error indicates that the water pump of the coffee machine is out of order. This may be due to the failure in the power supply circuit and control system, or it may be due to the damage of the water pump element itself. When the coffee machine encounters this error, it needs to repair or replace the water pump.
3.E03 Error: This error indicates that there is a problem with the coffee machine when trying to heat the water. Check the heating element, which is usually caused by the damage of the heating element.
4.E04 error: This error indicates that the water pressure of the coffee machine is too high, which may be due to the improper closing of the valve and abnormal water flow, so it is necessary to check the water flow channel.
5.E05 Error: This error indicates that there is something wrong with the circuit of the coffee machine, so it needs to be checked and repaired.
The above are the possible fault codes of Dongju instant coffee machine, and there are other fault codes. If these problems occur, it is necessary to repair or replace the corresponding parts in time. In order to prolong the service life of the coffee machine and reduce the occurrence of faults, it is very important to maintain and clean the coffee machine regularly.