Pcb Control Functions; Erf-364/384/394/414A Pcb Control Panel; Display; Temperature Adjustment & Control - Daewoo ERF-384 Service Manual

11. PCB CONTROL FUNCTIONS

ERF-364/384/394/414A PCB CONTROL FUNCTION
Nº FUNCTION
1 DISPLA Y
2 TEMPERATURE
ADJUSTMENT
&
CONTROL
CONTENTS
1) VAC ON: when the comp is controlled by VAC on/off condition.
2) SUPER FREEZING ON: when the comp is controlled by SUPER FREEZING
on/off condition.
3) FREEZER TEMP DISPLAY: OK GREEN LED on / NG_RED LED on
4) REFRIGERATOR TEMP. DISPLAY: OK GREEN LED on / NG_RED LED on
5) REFRIGERATOR TEMP. CONTROL DISPLAY: one of LEDS (LOW, MID,
HIGH) is on.
6) FUNCTION DISPLAY:
- D1 ERROR: FREEZER RED LED is on & off one time.
- D2 ERROR: FREEZER RED LED is on & off two times.
- R1 ERROR: REF. RED LED is on & off one time.
- RT ERROR: REF. RED LED is on & off two times.
- SHORT CIRCUIT CONDITION: LOW, MID, HIGH, VAC, SUPER LED
lamps are all on.
1) TEMP. CONTROL BUTTON:
1.1- TEMP. CONTROL: when TEMP CONTROL button is pressed, the
led lamps LOW, MID, HIGH, VAC, SUPER FREEZING, LOW will be
on in sequence.
TEMP. will be set if the button doesn't get pressed again for 5
min.
1.2- FORCED DEFROST: will be start when this button pushed for
over 5 seconds continuously.
1.3- SHORT CIRCUIT OPERATION: will be started and stopped when
this button pushed over 30 times.
2) TEMPERATURE CONTROL
2.1- COMP will be controlled by the on/off condition of each mode.
2.2- STEP DIFF of ROOM R : 3 deg
2.3- OFF point of ROOM R : 0.5°C
2.4- ON/OFF DIFF of ROOM R : 4 deg
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