Sanyo washing machine xqb60-m808 new computer board not receiving power?

Sanyo washing machine xqb60-m808 new computer board is not powered? This problem often troubles many users. In order to help everyone solve this problem, PHP editor Yuzai has specially compiled the following content for your reference. I hope it will be helpful to you.

1. The main control computer board is not powered on and there is no response when pressing the power button

2.

Processing method: First Step 1, check whether the power supply voltage and wiring harness fuse are normal;

3.

Step 2, pull out the CN10 terminal on the motherboard, and use a multimeter to test the resistance between the gray and light blue wiring harness, it is normal. In this case, because it is infinite, press the power button again, and the measured resistance value should be 0 ohms. If the resistance is too large, it will cause failure to power on;

4.

The third step, check Check whether the R3 resistor on the motherboard has burnt traces. Use a multimeter to test the resistor to see if there is an open circuit. The normal resistance value is about 30 ohms;

5.

The fourth step is to check the motherboard and display board. Whether the connector is in good contact, measure according to the wire harness color in the attached drawing;

6.

The fifth step, if the above inspection is normal, replace the main control board and re-confirm the fault phenomenon;

7.

Cause and phenomenon of failure 2: There is power when the power button is pressed, but the power is off after it is released, making it impossible to power on normally

8.

Processing Method: The first step is to reconnect the terminals on the power relay RL1 on the main board to ensure good contact and re-confirm whether the fault is eliminated;

9.

The second step is to replace the main control board, and re-confirm whether the fault is rectified;

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