Daewoo FRS-U20DF. - Sensor Functions

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5-2. Function of Each Sensor
CONTENTS REMARKS
[F-sensor (A)]
1) It senses the temperature of freezer compartment and control Comp., F-fan ON/OFF
2) How it works;
-19C-16C-11CWorking Temp.
3.24V
9.32 k ohm
Low ON
2.73V2.93VSensing Voltage
15.58 k ohm15.19 k ohmResistance
High OFFMid OFFWorking Point
[R-sensor (B)]
1) It senses the temperature of refrigerator compartment and control R-fan ON/OFF
2) How it works;
3.2C5.2C7.7CWorking Temp.
2.96V
23.33 k ohm
Low ON
2.72V2.83VSensing Voltage
24.76 k ohm24.05 k ohmResistance
High OFFMid OFFWorking Point
[D-sensor (C)]
1) It senses return point of defrosting heater.
2) How it works;
13CWorking Temp.
3.08V
22.56 k ohm
Return point of defrosting heater
Sensing Voltage
Resistance
Working Point
- In case temperature of refrigerator compartment is weak or insufficient,
though comp. and R-fan operate in normal way;
1) Cut J1 on the M-PCB, then temp. is lowered 1.5C than [Mid OFF point]
2) Cut J1 and J2 on the M-PCB, then the temp, is lowered 3C
IC1
(MICOM)
Compensation of
R-sensor ON/OFF temp.
A
B
C
D