Daewoo FRS-20BD Service Manual page 18

4-3. (Forced Defrosting) Mode
1. Defrosting Cycle
1. A/S Defrosting Mode (Heater defrost → Pause → Fan Delay)
Heater
Defrosting
Pause
Fan-Delay
2. How to start
: Push "REFRIGERATOR SET" button 5 times while pushing "FREEZER SET" button simultaneously.
3. How to proceed
1) Delete Pre-cool mode. (Others are same as normal defrosting)
2) Heater is ON regardless of D-sensor temp. at first 30 seconds.
(Check of defrosting current)
4-4. Buzzer or Alarm Control
1. Control F-PCB buttons
2. Door Switch
3. Initial Power Input
1. Buzzer sounds if any button of F-PCB is pushed.
2. Buzzer sounds 4 times 3 seconds after initial power input.
3. Buzzer sounds for 3 or 1 times in case of A/S forced defrosting and short (pull down)
operation or explanation mode.
4. If door is open, buzzer sounds after every 1 minutes for 5 minutes (Door open alarm)
INPUT
CONTENTS
Heater
Defrosting
1) Comp, F-fan, R-fan : OFF
D-HTR : ON
2) Time limit
30 seconds : Heater is ON regardless of D-sensor
temperature right after defrosting start
30 minutes : in case of D1-Error
80 minutes : in normal control state
3) If D-sensor ≥10C, Heater Defrosting is OFF
Pause
Time : 7 minutes
Comp, F-fan, R-fan, Heater etc. : OFF
Fan-Delay
1) Time : 5 minutes
Comp : ON
F-fan, R-fan, Heater : OFF
INPUT
CONTENTS
17
CONTROL OBJECT
1. Comp
2. F-Fan
3. R-Fan
4. D-Heater
REMARKS
CONTROL OBJECT
Buzzer
REMARKS