Bosch B20CS50 Series Service Manual page 14

4-3. Forced Defrosting Mode
1. A/S Defrosting Mode (Heater defrost → Pause → Fan Delay)
Heater
Defrosting
Pause
Fan-Delay
2. How to start
; In "Lock" mode, push "Refrigerator Set" button 5 times while pushing "Freezer Set"
button simultaneously.
3. How to proceed
1) same as normal defrosting
2) Heater is ON regardless of D-sensor temp. at first 30 seconds.
(Check of defrosting current)
4-4. Fan Voltage of Control Mode
1. F-Sensor
2. R-Sensor
1. Fan voltage of control mode
FAN
Voltage
INPUT
1. Defrosting Cycle
CONTENTS
Heater
Defrosting
1) Comp, F-fan, R-fan : OFF
D-Heater : 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 ≥13℃, 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
Freezer
13 V
Refrigerator Condenser
13 V
13
CONTROL OBJECT
1. Comp
2. F-Fan
3. R-Fan
4. D-Heater
CONTROL OBJECT
1. F-FAN, R-FAN, C-FAN
13 V
REMARKS
REMARKS