Self-Diagnosis Table - Daewoo FR-660N/NT Service Manual

3) Self-diagnosis table

Code Content
F 1 F-sensor
malfunction
R T RT-sensor
malfunction
R 1 R1-sensor
malfunction
R 2 R2-sensor
malfunction
D 1 D-sensor
malfunction
D 0 Door switch
malfunction
F 3 Defrost
malfunction
C 1 Cycle
malfunction
Compressor
malfunction
All error code will be reset, if they become normal.
Perception method
- Short circuit
- Wire disconnection
- Short circuit
- Wire disconnection
- Short circuit
- Wire disconnection
- Short circuit
- Wire disconnection
- Short circuit
- Wire disconnection
- When the D-sensor tempera-
ture is over -5˚C while the
compressor is off.
- When the door switch is left
open continually for an hour.
- When the D-sensor turns off
not by 13˚C but by a 90
minutes period while the
heater is on.
- When the temperature of the
D-sensor is over -5˚C although
the compressor has been
running for 3 hours non-stop.
30
Refrigerator operation state
- The refrigerator is run at 60% power with a
40 minute period.
- When the refrigerator compartment is over
frosted, the operation is forcibly stopped, then
returns to a 40 minute period operation.
- In fuzzy mode, control temperature according
to the outside temperature is disable.
- Operated by R2-sensor
- Low cooling prevention function by R2-sensor
is disable.
- Heater turns on for 45 minutes irrespective of
D-sensor
- R-fan can be on/off by R1-sensor only when
compressor on.
- The R-fan and F-fan operates irrespective of
the door switch when the compressor is on.
- Normal operation.
- Normal operation.