Daewoo Frs 2011i Service Manual

							30
OPERATION AND FUCTIONS
 
CONTENTS REMARKS 1. Conditions to turn on LCD Light 
   1) Power input (plugin) 
2) When any button on the panel is pushed, first the back light turns on, then 
button control is done. 
      3) When F/R door is open, the light turns on. 
 
  2. Conditions to turn off the light 
        1) The back light turns off 10 seconds after F/R door is closed   
2) 1 minute after button control  
 
  Explanation After Delivery 
INPUT Control Object 
FREEZER SET. button 
REFRIGERATOR SET. button 
Power Cord Electrical components and LCD 
CONTENTS REMARKS  
1. Start 
      Push REFRIGERATOR SET. button for 3 seconds within 10 seconds just 
after power input. 
 
2. Control  
  1) Electrical components are OFF for 3 hours. 
  2) Display operates in normal way.  
 
  Prevention of Compressor Restart   
INPUT Control Object 
None Comp. CONTENTS REMARKS Comp. does not start again for 6 minutes though F-sensor is ON.  6min. delay 
 
  Back Up Function 
INPUT Control Object 
None  CONTENTS REMARKS  
1. Filter Exchange Information : Record as a realtime from the point of Power 
Input. 
2.P FACTOR (Information about Ice Maker) 
 
3.Ice Maker Lock 
  
 
						

							31
OPERATION AND FUCTIONS
  Delay Function of Electric Components 
INPUT Control Object 
COMP ON/OFF COMP 
F-FAN 
CONTENTS REMARKS  
1)  F-fan delay by comp. ON/OFF 
  F-fan is ON/OFF 1 minute after comp. is ON/OFF. 
 
  
2) F an Delay  and Priority    
R F A N
ON   condition
0. 5s ec .
ON
ON
ON 1. 0s ec .
1. 5s ec .
F FA N
C F A N
OF F
OF F
OF F
  
3) F / R-fan delay  by door  open/close for easy
 door opening. 
  Inspection : checkup door opening 2 hours after initial start. 
      F irst R is  ON, 1 second la ter F  is ON to  protect DC fan  against over cu rrent at 
initial start.   
 
D OOR
R F AN
OP E N
CLO S E
20.5 sec. (0.5sec.
for first 2 hrs.)
21sec. (1sec. for first 2 hrs.)
ON
OF F
ON
OF FF FA N
 
 
  
 
1 min.1 min.
 
						

							32
OPERATION AND FUCTIONS
  Home Bar (Refreshment Center) Heater  
INPUT Control Object 
None COMP CONTENTS REMARKS It is linked with comp.   
 
  Control of Interior Lights 
INPUT Control Object 
Refrigerator Door 
Freezer Door 
Home-Bar Door   
(Refreshment Center) COMP 
CONTENTS REMARKS 1) Control of Refrigerator Compartment Lights 
R lights turn ON/OFF by R-door switch (ON/OFF). 
        10 minutes after sensing door open, the lights turn off automatically though 
door close is not sensed.   
 
2) Control of Freezer Compartment Lights 
F lights turn ON/OFF by F-door switch (ON/OFF). 
    10 minutes after sensing door open, the lights turn off automatically though 
door close is not sensed. 
 
 
3) R-lights ON/OFF by Home-Bar door opening 
    R-lights turn ON for 1 minute after sensing HOME-BAR switch open. 
  (If the switch is pushed again within 1 minute, the light turns on another   
1 minute.) 
 
4) DISPENSER LAMP CONTROL 
   DISPENSER LAMP turns ON/OFF by DISPENSER SW.   
   Dispenser Lamp turns ON for 5 seconds after sensing switch close. 
  
 
 Demonstration Function 
INPUT Control Object 
LOCK button 
REFRIGERATOR SET. button 
SLEEP button COMP 
F-FAN 
R-FAN 
CONTENTS REMARKS  
1. Start   
      1) Set LOCK ON first. 
2) Push SLEEP button 5 times while pushing REF SET. button simultaneously. 
 
2. Control 
      1)    All other electrical components are OFF except for F-fan / R-fan.   
2)  Fan Control 
    DOOR OPEN    FAN ON / DOOR CLOSE    FAN OFF 
   3) Display : Normal mode (3.8sec.)   SPEED(3sec.)  Silent mode(3sec.)   
Sleep mode (3sec.) 
3. Stop or Termination 
      1) During Demo mode push SLEEP button 5 times while pushing REF SET. 
button simultaneously. 
   2) Power in again. 
    
 
						

							33
OPERATION AND FUCTIONS
  Regulation of R-sensor OFF Point 
INPUT Control Object 
J18, 22 on Main PCB  Resistance of R-sensor Mid OFF Point CONTENTS REMARKS  
  Regulation of R-sensor OFF point (1.5degree DOWN) 
  In case refrigeration of refrigerator is weak or insufficient, take the following action. 
R-SENSOR
OP1- 1-2
R26
R70
R71OP OP1-
1-1
 
  R26 : R-SENSOR standard resistance in normal mode (31.4K ) 
      R70 : In case of weak ref., cut J18 to down the standard resistance by 1.5deg(2K) 
      R71 : In case of weak ref., cut J22 to down the standard resistance by 1.5deg(2K) 
  
  R26 = Mid OFF point 
  R26 + R70 = Mid OFF point - 1.5 deg 
  R26 + R70 + R71 = Mid OFF point - 3.0 deg  
 
  Summary of Function 
CONTENTS REMARKS 
   
  How to start function modes 
  All the modes are started with LOCK ON except for explanation after delivery & installation. 
 
  A/S forced defrosting FREEZER SET. +    REFRIGERATOR SET. 5 
times  
  Demonstration  REFRIGERATOR SET. +    SLEEP 5 times   
 Explanation after delivery & 
installation REFRIGERATOR SET. for 3 sec. Right after 
first power in  
  ERROR display  REFRIGERATOR SET. + LOCK 3 times   
 
						

							34
OPERATION AND FUCTIONS
 
  Regulation of R-sensor OFF Point 
INPUT Control Object 
J18, 22 on Main PCB  Resistance of R-sensor Mid OFF Point CONTENTS REMARKS  
  Regulation of R-sensor OFF point (1.5degree DOWN) 
  In case refrigeration of refrigerator is weak or insufficient, take the following action. 
R-SENSOR
OP1-2
R26
R70
R71OP OP1-
1-1
 
  R26 : R-SENSOR standard resistance in normal mode (31.4K ) 
      R70 : In case of weak ref., cut J18 to down the standard resistance by 1.5deg(2K) 
      R71 : In case of weak ref., cut J22 to down the standard resistance by 1.5deg(2K) 
  
 R26 = Mid OFF point 
 R26 + R70 = Mid OFF point - 1.5 deg 
 R26 + R70 + R71 = Mid OFF point - 3.0 deg  
 
  Summary of Function 
CONTENTS REMARKS 
   
  How to start function modes 
  All the modes are started with LOCK ON except for explanation after delivery & installation. 
 
  A/S forced defrosting FREEZER SET. +   REFRIGERATOR SET. 5 
times  
  Demonstration  REFRIGERATOR SET. +    SLEEP 5 times   
 Explanation after delivery & 
installation REFRIGERATOR SET. for 3 sec. Right after 
first power in  
  ERROR display  REFRIGERATOR SET. + LOCK 3 times   
 
 
 
						

							35
OPERATION AND FUCTIONS
 
Input Control Object 
Fully Ice Sensor 
Ice Maker Lock Ice seperation Motor 
CONTENTS REMARKS 
1-1. Ice Maker FLOW 
 
RETURN
ICE Making
ICE Drop
Supply water into the Ice maker
Check water input is normal.
 
 
 
1)   By Pushing of Ice Maker ASSY TEST S/W (Over 1 Sec.):  
TEST Mode Convert 
          (Ice Drop Mode Start with Test Mode Proceed) 
 
  2)  Ini
tial Power inpu t 
=> Ic e Make r is  horizonta l => Proc eed 
from Ice maker Mode 
 
  3)  Water-Input hose HTR Control 
    
    
    
 
  4) Water Input Ready State 
    
     
    
  5) Crusher Function 
    
      
Normal operation -: ON
Ice Marker Operation -: OFF
Ice Marker Stop- : OFF
Demo Mode -: OFF
Condition : Full Sensing of Ice
Operation : Processing to Ice Markder Mode during Ice Marker Flow( Ice Drop, Water Input 
mode Stop)
Stop: If Normal operation Proceed => Auto -Stop
F-DOOR OPEN : Function stop
F-DOOR CLOSE : Function Normal Start !
@
#
$
!
@
!
@  
#
START
ICE MAKER
Mode
ICE DROP
Mode
Water Input
Mode
Check
Mode
STOP the water input mode
 
						

							36
OPERATION AND FUCTIONS
 
 
CONTENTS REMARKS 
 
1-2. Ice Maker M
ODE 
 
NO
NO
YES
YES
NO
YESYES
NO
 
 
1)  
 
2)  
 
3)   I-Sensor Error: Ice Maker Complete after 4.8HR  
I-S is -12.5    and below after 130 min.=> Ice maker complete
Although I-S isnt -12.5    below for 130 min, I-S maintains -9.5    below continuously 
=> Ice maker comlpete
 
 
2. Ice Drop MODE 
status
Ice tray
level
level
normal
level
8-11 Max 1.1
8.5-12.20.2
10 11 
1.1 
 1) Each Section’s Time used in S/W ERROR Confirm 
  2) Ice Drop MOTOR Rotation is Sensible by Each  Sections 
  3) S/W ERROR: Ice Drop Every Time 
  4) Ice Drop MOTOR ERROR: Stop to the Status  
 
  
START
130 min passed?
I-S
						

							37
OPERATION AND FUCTIONS
CONTENTS REMARKS 
3. Water-Input MODE 
N
Y
Flow-Sensor Error mode             START
Inlet value ON
Water input pulse Count=0
Y
Y
N
N
Y
N
 
1)  Convert of Water-Input Mode After Ice Drop: 
 Water-Input Valve Open. 
  2) Flow Sensor Error: Water-Input is Controlled by Time  
  3) Veriable Factor Value : Using for A/S  Steps 
     
      (Water input by Time -: Maximum Water Inut Time => 15 sec.
 
4.
 
 
 
 RT-S 7  ~13 ~19 ~29 ~39 39  
I-S -10 -9 -8 -7 -6 -5
 
Flow Sensor Normal Operation : Flow Pulse Value sets 238
Flow Sensor error : Water input time => 5.5 sec.
 C 
 C 
 C 
 C 
 C 
 C  C 
 C  C 
 C 
 C 
 C 
!
@
Water-Input Confirm MODE
I-S Temp. Rising Value with RT-S Temp. Mode after 5 min. : Estimate of Water Input
1 Sec passed after inlet 
       value on?
Water input pulse >10
Water input pulse >target pulse
time> target time
Inlet value off
STOP
 
						

							38
OPERATION AND FUCTIONS
 Dispenser Control Function 
Control Object 
Dispenser SW 
Water/Ice Button 
Lock Ice Maker Button 
Freezer Door SW Dispenser Lamp 
Crusher Motor 
Flat Solenoid 
Crusher Solenoid 
Dispenser Water Valve 
Contents Remark  
 
 
1) Water/Ice Selection Button 
 
    Progress : Water   Ice Cube   Crushed Ice   Water 
   
 
2) Lock Ice Maker Button 
  Start by pushing Lock Ice Maker button 
   Lock Icer Maker is ON, 
    The Icon & Box of Cube Ice/Crushed Ice disappear,
           WaterIcon & Box is always  ON
          Stop by  pushing Lock Ice Maker button again.   
           Lock Icer Maker Icon is OFF , 
  T he Icon & Box ofCube Ice/Crushed Iceis OFF , 
  WaterIcon & Box is ON. 
 
3) Display  
     - Initial Mode : Wateer ICON & Letter is ON.
     - A rectangle Line around the icon lights up to indicate your selection is on.
     - The Icon of water, Ice Cube, Crushed Ice is always  ON.( Exception, Dispenser 
       S/W Error)
     - When pushing  Lock Ice Maker:
       Lock Ice Maker LED is ON , The letters of crushed, cube Ice are OFF
     - There is no input during 1 hour, Dispeser transform into Water Mode.
 
Input 
* Initial Mode : Water
* Pushing the dispenser value, water/Ice cube/crushed Ice is dispensed as your selection.
!
@
 
						

							OPERATION AND FUCTIONS
Contents Remark 
 
4) Control Flow & Timing Chart 
 
4-1)Crushed Ice 
D.P SW (In) D.P SW (In)
Crusher Motor Crusher MotorD.P Lamp D.P Lamp
D.P S/V (Out)D
A
A
C
 
4-2) Ice Cube  
D.P SW (In) D.P SW (In)
      D.P S/V(Flap)       D.P S/V(Flap)    Cube S/V     Cube S/V
 Gear Motor
 Gear MotorD.P Lamp D.P Lamp
A
C
A
A
B
D
 
 
4-3) Water 
D.P Lamp D.P Lamp
D.P SW (In)
D.P SW (In)
Water S/V Water S/VD
A
 Delay Time : A = 500ms, B = 500ms, C = 2.0s D = 5.0s 
  
39