Daewoo RN-331NPW User Manual

2. FUNCTIONS

- ERROR DISPLAY
   - If appliance has any errors, LED on the Main PCB is flickering.
   - If the appliance is normal (no error),  LED IS off.

A. 'R1' ERROR
  : It happens when R-Sensor is OPEN or SHORT.
  (1) LED DISPLAY: Shortly flickering(0.3sec.) 1 times.
  (2) CONTROL:
      Controlled by the following condition of RT

※

If 'RT ERROR' happens at the same time, “COMP. ON/OFF Operating Time” is 16min/24min.

  (3) RELEASE: When R-Sensor is working normally.

B. 'RT' ERROR
  : It happens when RT-Sensor is OPEN or SHORT.
  (1) LED DISPLAY: Shortly flickering(0.3sec.) 2 times.
  (2) CONTROL: Delete the conditions of 'RT-sensor Control' and operate normally.
  (3) RELEASE: When RT-Sensor is working normally.

C. 'd1' ERROR
  : It happens when D-Sensor is OPEN or SHORT.
  (1) LED DISPLAY: Shortly flickering(0.3sec.) 3 times.
  (2) CONTROL: Return to next limit defrost time (40 min)
  (3) RELEASE: When D-Sensor is working normally.

D. 'DR' ERROR
   : It happens when the system senses door opens more than 1 hour.
   (1) LED DISPLAY: Shortly flickering(0.3sec.) 4 times.
   (2) CONTROL: Delete function relating to door switch sensing
   (3) RELEASE: When sensing close from door S/W.

※

When pusing 'TEST KEY' on the main PCB,

LED is long(1.0sec.) flickering several times.
ex. 'Forced Defrost Mode:' long flickering 2 times

LED Lamp

CONTROL OBJECT

INPUT

Sensor Error

2-9. Error Display

6/34

~13

10/30

~19

16/24

~29

20/20

COMP. Operating ON/OFF TIME
(unit:min.)

RT sensor TEMP (unit:

℃)

To Confirm Errors:

Check LED on the main PCB

- The Priorities of Error :
R1

→

DR Switch

4times

D sensor

3times

RT sensor

2times

R sensor

1time

ERROR

LED

CODE

flicker