Led Display; Operation - Daewoo FR-420N Service Manual

1. DISPLAY
INPUT
PCB Control Panel Buttons
Temperature adjustment
button for refrigerator
compartment.
Reference Page No.

LED DISPLAY

LED "3" on
LED "4" on
LED "5" on
10
LED "1" on
LED "2" on
LED "S-COOL" on
"3" flickeringly
"2" flickeringly
"1" flickeringly
18
"2" & "3" flickeringly
"1" & "3" flickeringly
"1" & "2" flickeringly
"3" & "S-COOL" on,
11
"4" & "5" flickeringly
"1" & "S-COOL" on
"4" & "5" flickeringly
CONTROL OBJECT
PCB Control Panel LED
FUNCTION
TEMP STEP "3"
TEMP STEP "4"
TEMP STEP "5"
TEMP STEP "1"
TEMP STEP "2"
TEMP S-COOL
ERROR "R SENSOR" (R1)
ERROR "RT SENSOR" (RT)
ERROR "D SENSOR" (D1)
ERROR "DOOR S/W" (DR)
ERROR "CYCLE" (C1)
ERROR "DEFROST" (F3)
Forced Defrost Test
Pull Down Test
9
"Super Cool" button

OPERATION

Push "TEMP" button 1 time.
Push "TEMP" button 2 times.
Push "TEMP" button 3 times.
Push "TEMP" button 4 times.
Push "TEMP" button 5 times.
Push "S-COOL" button 1 time.
Push "S-COOL" button for continuously
and "TEMP" button 5 times.
The Priorities of Error :
R SENSOR> RT SENSOR> DR S/W>
CYCLE> DEFROST
Push "TEMP" button for continuously and
"S-COOL" button 5 times.
And then, push "S-COOL" button for
continuously and "TEMP" button 5 times.
Push "TEMP" button 30 times.
And then, push "S-COOL" button for
continuously and "TEMP" button 5 times.
FUNCTIONS