Samsung DMR57 Series, Training Manual

Page: 34 / 71

34
1) Lay the product down so that you can see the
BASE, and unscrew the 2 screws securing the
BASE and the SHUTTER.
2) Separate the terminal of Leakage Sensor
terminal of the Shutter.
3) After checking the THERMISTOR location,
unscrew 2 screws securing the CASE SUMP.
4) Disassemble the wire connected to the
THERMISTOR.
※
CHECK LIST
▶
Be careful of the residual water inside the unit
▶
The resistance of THERMISTOR at 77
℉
should
be 49
Ω
(Refer to table by temperature)
▶
The voltage between THERMISTOR connecting
wires should be 0.2V~4.5V
Thermistor Replacement
1.
2.
3.
4.
Lay the product down so that you can see the BASE, and unscrew the 2 screws
securing the BASE and the SHUTTER. Separate the connector of Leakage Sensor.
After checking the THERMISTOR location, unscrew 2 screws securing the CASE
SUMP. Disassemble the wire connected to the THERMISTOR.