DONGBU DAEWOO ELECTRONICS FN-T650NTB SERIES, Service Manual

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7-11. Error Display
INPUT CONTROL OBJECT
●
PCB Control Panel Buttons
●
LED Lamp
- ERROR DISPLAY
- To confirm error happens or not,
By pressing “temp” button
continuously
and press “
lock
” button 5
times.(in locking mode)
- Display method: Displays error code using 88 Seg. When press “s-cool” button at error display condition,
display repeats.
- Release method: Automatic release after pressing 1 time of Save button and 4 minutes passed by.
- Automatic reset becomes when all error codes return to normal condition.
(But for C1,F3,EF, Et,Eg,EA, Eu etc become reset after reoperation point of relevant electrical goods and
after finish cycle)
A. R1 ERROR
(It happens when R-Sensor is OPEN or SHORT)
ⓐ
DISPLAY :”r1”
ⓑ
CONTROL :
- Controlled by the following condition of RT
- When “RT-Sensor ERROR” happens at the same time, “COMP. ON/OFF Operating Time” is 16min/24min.
(Unit : min)
ⓒ
CANCEL : when R-Sensor is working normally.
B. RT ERROR
(It happens when RT-Sensor is OPEN or SHORT)
ⓐ
DISPLAY : “rt”
ⓑ
CONTROL : Delete the conditions of “RT-sensor Control”
ⓒ
CANCEL : when RT-Sensor is working normally.
C. D1 ERROR
(It happens when D-Sensor is OPEN or SHORT)
ⓐ
DISPLAY : “d1”
ⓑ
CONTROL : Return to next limit defrost time (40 min)
ⓒ
CANCEL : when D-Sensor is working normally.
D. DR ERROR
(It happens when the system senses door opens more than 1 hour.)
ⓐ
DISPLAY : Ref. door Err- “dr” , frz. door Err- “dF”
ⓑ
CONTROL : Deletion of function related door switch sensing
ⓒ
If door switch (open & close) is sensed, the error is terminated
automatically
E. C1 ERROR
(When D-Sensor is more than -5
°
C, Comp operates over 3 hrs)
ⓐ
DISPLAY : “C1”
ⓑ
CONTROL : The system is normally operating
ⓒ
CANCEL : When Comp is off, D-Sensor is less than -5
°
C.
F. F3 ERROR
(Return to next limit defrost time (50 min))
6.1- DISPLAY : “F3”
6.2- CONTROL : At Defrost Mode, Deletion of “PRE-COOL” Mode.
6.3- CANCEL : Completion of defrost returned by D-Sensor.
RT sensor TEMP ~11
°
C ~17
°
C ~26
°
C 26
°
C~
COMP. Operating TIME
(ON/OFF)
6/34 10/30 16/24 20/20
CODE ERROR
R1 R sensor
RT RT sensor
D1 D sensor
DR DR Switch
C1 Cycle
F3 Defrost
※
To Confirm Errors:
Push “UP” for continuously
and “DOWN” button 5 times.
※
The Priorities of Error :
R1→RT→D1→DR→C1→F3
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