Daewoo FRS-U20DD Series, Service Manual, Page: 13 / 84

13
1. A/S Defrosting Mode (Heater defrost - Pause - Fan Delay)
INPUT CONTROL OBJECT
CONTENTS REMARKS
1. Defrosting Cycle
1. Comp
2. F-Fan
3. R-Fan
4. D-Heater
Pause
Fan-Delay
Heater
Defrosting
2. How to start
1) Under “Lock” condition,
press and hold “Freezer” button and press “Refrigerator” button 5 times simultaneously.
3. How to proceed
1) Skip the pre-cool mode. (Others are same as normal defrosting)
2) Heater is ON for 30 seconds, regardless of D-sensor temp. the moment when the defrost
heater is switch on.
(Check of defrosting current)
4-4. Forced Defrosting Mode
1. Fan voltage of control mode
INPUT CONTROL OBJECT
CONTENTS REMARKS
1. F-Sensor
2. R-Sensor
1. F-FAN, R-FAN, C-FAN
13 V 13 V 13 V Voltage
C-FAN
(Condenser)
R-FAN
(Refrigerator compartment)
F-FAN
(Freezer compartment)
4-5. Fan Motor Voltage of Control Mode
※
Refer to the 5-4. (Fan Function )
Heater
Defrosting
1) Defrost heater is switch on until D-sensor temperature
reaches 13C.
(Compressor, F-Fan, R-Fan is off)
2) Defrost heater on time.
●
30 seconds : Heater is ON regardless of D-sensor
temperature the moment when heater is on.
●
30 minutes : In case of “D1” error (D-sensor malfunction)
●
50 minutes (Inverter Compressor Models)
: in normal control state, the maximum on time.
●
80 minutes (None Inverter Compressor Models)
: in normal control state, the maximum on time.
Pause
After the defrost heater is switched off, Compressor does not run
within 7 minutes.
( F-fan, R-fan, Heater etc. : OFF)
Fan-Delay
After defrost, when the first compressor turn on, F-Fan start to run
after 5 minutes from compressor turn on.