DONGBU DAEWOO ELECTRONICS BALLISTA2, Service Manual

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2. FUNCTIONS
- Error Check Mode
(1) How to start: Push "FUNC" button for continuously and "TEMP" button 5 times .
(2) What happen: LED "ECO" flickering, and if any errors occur, the related LEDs on.
(3) CANCEL: Push "TEMP" button 1 time, or wait 4 minutes.
※
After operations back to normal, the displays come to be reset.
A. "R1" ERROR
: It happens when R-Sensor is OPEN or SHORT.
(1) LED DISPLAY: LED "1" flickering (OPEN) / LED "1" on (SHORT)
(2) REACTION: Controlled by the following condition of RT
※
If 'RT ERROR' happens at the same time, “COMP. ON/OFF Operating Time” is 30min/26min.
(3) RELEASE: When R-Sensor is working normally.
B. "RT" ERROR
: It happens when RT-Sensor is OPEN or SHORT.
(1) LED DISPLAY: LED "2" flickering (OPEN) / LED "2" on (SHORT).
(2) REACTION: 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: LED "3" flickering (OPEN) / LED "3" on (SHORT).
(2) REACTION: Return to next limit Defrost Time (30 min).
(3) RELEASE: When D-Sensor is working normally.
D. "DR" / "DF" ERROR
: It happens when the system senses R/F door opens more than 1 hour.
(1) LED DISPLAY: LED "4 / 5" on.
(2) REACTION: Delete function relating to R/F door switch sensing.
(3) RELEASE: When sensing close from R/F door S/W.
E. 'F3' ERROR
: It happens when Defrost Heater off after 60min.
(1) LED DISPLAY: : LED "Super" on.
(2) CONTROL: Skip the step 'PRE-COOL' of Defrost Mode.
(3) RELEASE: Defrost Heater off by D-Sensor.
LED DISPLAY
CONTROL OBJECT INPUT
PCB Control Panel Buttons on Door
2-9. Error Display
RT sensor TEMP (unit:
℃
) ~13 ~21 ~30 ~40 ~43 43~ RT-S Error
COMP. Operating ON/OFF TIME
(unit: min.)
7/50 10/35 25/35 30/26 50/15 50/15 30/26
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