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10.2
Door trip test circuit
The door switch input circuit is used to detect the refrigerator door open or not the circuit module.
Chip I/O PORT port. by testing the continuous high level + 5V to determine whether the door is
open. And then drive the relevant load
10.3
Temperature test circuit
It’s conducted by the sensor, making use of the characteristics that resistance value reduces as the
temperature increases, and the thermistor that has temperature coefficient of resistance in medium
temperature.
The characteristic that resistance value reduces as the temperature increases is deemed to have
negative slope or negative temperature coefficient (NTC), and such thermistor is called as NTC
thermistor. The resistance value changes sensitively with temperature and typically changes 7% ~
Summary of Contents for HS-455LWEN-W1
Page 1: ...REFRIGERATOR MODEL HS 455LWEN D W1 Instruction Manual...
Page 5: ...1 1 Safety Warning Code 1 1Warning for operation safety...
Page 6: ...2...
Page 7: ...3...
Page 8: ...4 1 2Safety instruction for refrigerant...
Page 16: ...12 Defrosting heater in freezing chamber 5 5Circuit diagram...
Page 35: ...31 11 Troubleshooting Method 11 1 No refrigeration...
Page 36: ...32 11 2 Compressor failure 11 3 Undercooling Electronic temperature control...
Page 37: ...33 11 4 Fan failure 11 5Noise...
Page 38: ...34 11 6 Lights inside the refrigerator don t light up...
Page 43: ...39 5 Sealing tape door fixing for reversible door option...
Page 44: ......