Daewoo ERF-36.A..EU, Service Manual

Page: 47 / 56

8
DEFROST
MODE
1) General Defrost Mode
•
Start : By determination of defrost
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Process : general operation - Heater on - Pause - general operation
R-134A R-600A
TEMP. of Defr ost return 10°C 16°C
PAUSE TIME 6min 7min
On D-sensor Error 30min 60min
Limit time 80min 80min
2) Forced Defrost Mode
•
Start : by press TEMP. CONTROL button for 5 seconds continuously.
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Process : same as General Defrost Mode
General Defrost Mode is on for initial 30 seconds after heater is on. (for TEST)
9
INITIAL
DEFROST
1) When power is on, if the temperature at the D-sensor is under 3.5°C, then General
Defrost Mode starts.
10
PREVENTION
OF COMP.
RESTART
1) RT
≤
17 : The COMP can’t be on within 40 min after comp. is off even though
R-sensor is on condition. (This is to protect comp.) - FUNCTION of LOW RT
2) RT > 8 : The COMP can’t be on within 6 min after comp. is off even though
R-sensor is on condition. (This is to protect comp.)
11
ERROR
DISPLAY
&
CONTROL
1) D1 ERROR (It happens when D-SENSOR is OPEN or SHORT)
•
DISPLAY : FREEZER RED LED lamp in on & off one time.
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CONTROL : Return to the limit defrost time of Defrost (30 min)
2) D2 ERROR (It happens when heater is off by time (80 min).
•
DISPLAY : FREEZER RED LED lamp in on & off two times.
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CONTROL : Return to the limit defrost time of Defrost (80 min)
3) R1 ERROR (It happens when R-SENSOR is OPEN or SHORT)
•
DISPLAY : REFRIGERATOR RED LED lamp in on & off one time.
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CONTROL : controlled by the condition of RT
RT-S TEMP ERROR 24
-
- 18
-
-
COMP. Operating rate (%) 40% 30% 44%
ON/OFF (min) 20 / 30 15 / 35 22 / 28
NOTE ERROR Low RT TEMP. General
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CANCEL : when R-SENSOR is working normally.
4) RT ERROR (It happens when RT -SENSOR is OPEN or SHORT)
•
DISPLAY : REFRIGERATOR RED LED lamp in on & off two times.
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CONTROL : The system is normally operating but the controlling by RT-
SENSOR doesn’t work.
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CANCELATION : when RT -SENSOR is working normally.
47 Daewoo Electronics