Daewoo FR-540N Service Manual page 44

Control
NO.
Function
13 Power
failure
back-up
function
14 COMP.
restart
prevent
15 Buzzer
function
16 First
defrost
17 Forced
defrost
18 Adjust
R1-sensor
off point
Control
Objects
2. The electric devices are off for 2 hours in delivery function.
3. The custom LED is on normally.
COMP. 1. M-PCB reserves all functions for 3 hours after power failure.
Clock
2. Time running in power failure is as follow.
1) Clock
2) Preventing COMP. restarting
3) Pause time during defrosting
COMP. 1. After COMP. is off, the COMP. is not on even though the F-
sensor is at on point for 6 min.
Buzzer
1. Alarm buzzes 3 sec. after initial power on.
2. Alarm buzzes whenever each switch in F-PCB is pressed.
3. If the door is opened for more than 1 min., chirpy sound alarm
buzzes.
4. If adjust temperature, the fuzzy button will be not operative
and the buzzer will be off.
COMP. 1. When power is loaded for the first time, it enters into defrost
F-fan mode if D-sensor 3.5˚C. (Defrost mode starts from Pre-cool
R-fan
step.)
Heater
COMP.
1. Press the fuzzy button 5 times, when press temperature/time
F-fan control button. After that can enter the forced defrost mode.
R-fan
Heater
FUZZY
2. Forced defrost mode.
1) The Pre-cool step is omitted.
2) Start from heater+R-fan defrost.
3. After forced defrost, the normal defrost is enabled in 15 hours
of accumulated COMP. on time.
1. When the temperature in fridge room is low (Low temperature
even though R-fan and COMP. are operating properly),
following functions are operating for easy after service.
Contents
TEMP
FRZ.
E.F
TIME SET 1
2
3
Q.F
FUZZY SURROUND CLEAN
42
QUICK QUICK
REF.
E.R
1 FREEZING REFRIGERATION
2
3
Q.R
Remark