Balance no display: 1. Whether operator error; 2. Check the appearance, plug wires, fuses, the connection line is working; 3. Check transformer, check whether the three-terminal voltage (7805,7815,7915); 4. Replace the main CPU; 5. Display tube in question.
Display L 1. Check the sensor is normal; 2. That disk is put away, said the disc is too light;
Show H 1. Whether human operational errors; 2. Check the sensor is normal, said whether there is heavy disk and overweight;
CHO 1. Replace the main CPU; 2. Check connection socket.
CH1 1. Replace the main CPU; 2. Check the connection cable plug.
CH2 1. Check that disk is put away; 2. Check the sensor is normal; 3. Check that the cable is plugged;
CH3 1. Check the connection cable is properly connected.
CH4 1. Output interface cable is plugged in counter; 2. External device is working.
CH5 1. The scale of the keyboard is not normal; 2. External device connection is working properly;
CH6 1. Balance internal wiring is normal; 2. Check external equipment is working.
CH7 1. To replace the display board a small film (8 feet);
CH8 1. To replace the display board a small film (8 feet).
E 1 1. Human operational errors; 2. External connection equipment error;
E 2 1, check that disk is put away; 2, check the sensor is normal 3, replace the display board ASIC (14 feet);
E 4 1. Human operational errors; 2. The cable is normal; 3. External device is working.
E 8 1. Check the connection cable is normal; 2. Balance the keyboard is working.
Flashing 1. Human operational errors; 2. What a standard calibration weights; 3. To replace the display board a small film (8 feet).
Can not be peeled 1. Human operational errors; 2. Keyboard socket is plugged; 3. To replace the keyboard.
Weighing not 1. Human operational errors; 2. Calibrated using standard weights.
Show instability 1. Balance within the cable is plugged; 2. Sensor is normal; 3. Workbench is solid, with or without air toward balance.
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