Daewoo FD Series, Service Manual

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26
ELECTRONIC CONTROLLER INSTRUCTION
No Function
Controlled
Description
Part
6 Forced Comp
Defrost F-fan
C-fan
7 Comp Restart Comp
Prevent C-fan
8 Power Failure Comp
Back-Up F-fan
Function
C-fan
9 Door opening Buzzer
Alarm function LED
10 Buzzer Buzzer
Function
11 Error LED
Display
a. Press the Turbo Cooling button 5 times while pressing both up/down button and
defrost mode starts, immediately.
b. Next procedure is same as that of the defrost function.
1. After comp. is off, comp. will not start for 3 min, even though the D-sensor is at on
point.
1. Compressor will not start for 3 min. after power failure.
2. F-fan is on.
1. If door is opened, fan goes off and lamp on.
2. If door is opened for more than 30 seconds, chirpy sound alarm buzzes 3 times.
3. If door is opened for more than 60 seconds, chirpy sound alarm buzzes 5 times.
4. If door is opened for more than 5 minutes, chirpy sound alarm buzzes continuously.
1. Alarm buzzes 1 time after initial power on.
2. Alarm buzzes whenever each button is pressed.
3. Alarm buzzes if door remains open for certain period. (See door opening alarm function)
1. If inside temp. is lower than 14˚F or higher than 69, 88 LED indicates ‘Lo’ or ‘Hi’
respectively.
2. Press ‘up’ button 5 times with pressing and holding both ‘down’ button and ‘Turbo
Cooling’ button. Above procedure switches normal display to error display mode.
3. If there was no error occurred before, there will be no change on the 88 LED. If there
was any error occurred before, 88 LED will display error code.
4. Next error code will be displayed by pressing down button.
5. 10 seconds after the last button pressed, error display mode will be switched to
normal display mode.
Code Content Perception Method Refrigerator operation state
R1 R-sensor - short circuit - Normal operation
Malfunction - wire disconnection
D1 D-sensor - short circuit - Comp. is controlled to be turned on/off
Malfunction - wire disconnection with fixed time interval. (On: 30min., Off: 30min.)
- If R-sensor temp. is higher than 50.0˚F
then defrost mode is over.
- To make matters worse, if R-sensor is in error, too, defrost
mode lasts for only 40min.
C1 Cycle, Comp - When the temp. of the D-sensor is - Normal operation
Malfunction over 32˚F although the comp. has
been running for 30 min.
5-2-3. ERROR CODE TABLE
FD,SD-650R,1250R¿ 12– ` (¿ ) 02.8.21 4:48 PM ˘ ` 26