Daewoo FR - 530NT, Service Manual

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OPERATION AND FUNCTION
13. Demonstration Function
INPUT CONTROL OBJECT
1. Door Switch
2. TEMP Control Button
1. Electric Devices
CONTENTS REMARK
1. Start : open and close Refrigerator[Freshfood Compartment] Door 5 times
while pushing TEMP Control Button at the same time.
2. Control
1)
Electric devices turn Off except for F-Fan.
2)
Fan Control
Door Open Door Close
F-FAN ON OFF
3. Dissolution :
1)
Open and close Refrigerator[Freshfood Compartment] Door 5 times
while pushing TEMP Control Button at the same time
in Demonstration mode.
2)
Supply the power again(plug-out and plug-in)
14. Control of R-Sensor Off-Point
INPUT CONTROL OBJECT
1. Slide SW(SW1) on M-PCB 1. Control Resistance of R-Sensor “2” Off-point
CONTENTS REMARK
1. In case of Weak-refrigeration (though F-Fan and COMP work on and on), the
following actions are to be done.
2. Resistance R70 : Control Resistance of R-Sensor Medium Off-point
( 4.0
B
C ,
31.4K
Ω
)
3. Resistance R71 : reduceing R-Sensor Resistance by 1.5
B
C
Refrigeration (2.5
B
C ,
2K
Ω )
4. Resistance R72 : reduceing R-Sensor Resistance by 1.5
B
C
in case of weak-
Refrigeration (1.0
B
C , 2K
Ω )
5. J1,J2 : during A/S, if J1,J2 are opened, R-Sensor Medium Off-point
decreases by 1.5
B
C
6. J1,J2 Status and R-Sensor Medium Off-point
J1,J2 Status R-Sensor Medium Off-point
J1 (o), J2 (o) 4.0
B
C
J1 (x), J2 (o) 2.5
B
C
J1 (x), J2 (x) 1.0
B
C
- (o) : Jumper exist
- (x) : Jumper
don’t exist