Compensation Of R-Sensor On/Off Temp - Kenmore RFP74KB Series Service Manual

8. Operation and Functions

8-10. Compensation of R-sensor ON/OFF Temp.

Compensation of R-sensor ON/OFF temp. (Max 3℃ down)
In case temperature of refrigerator compartment is weak or insufficient, take the following
action.
R42
(31.4㏀)
R43
(2㏀)
R44
(4㏀)
R42 : R-SENSOR standard resistance in normal mode (31.4㏀)
In case of weak ref.
1) Cut J1 to increase the standard resistance by 2㏀ ⇒ 1.5℃ down
2) Cut J1 & J2 to increase the standard resistance by 4㏀ ⇒ 3℃ down
J1
J2
Temperature
compensation
Resistance
To avoid risk of electrical shock that can cause death or severe personal injury,
WARNING
!
disconnect unit from power before servicing unless tests require power.
INPUT
Main PCB
CONTENTS
R-SENSOR
J2
J1
- cut
- -
0℃ -1.5℃
R42 R42+R43
31.4㏀ (31.4+2)㏀
CONTROL OBJECT
Resistance of R-sensor
ON/OFF Temp. of Refrigerator
-
cut
0℃
R42 R42+R43+R44
31.4㏀ (31.4+2+4)㏀
7
REMARKS
cut
cut
-3℃
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