- 70-
3
1-. Plug CON7.
2-. Check voltage between blue to blue
wires.
3-. Check the corresponding
temperature for measure voltage.
4-. Verify if equivalent temperature
matches with real temperature of
compartment.
No
Checking flow
Result & SVC Action
4
1-. Execute TEST MODE #1.
2-. Check voltage between Black and
Blue wires in CON1
Result
SVC Action
Match
Go to step #4
No Match
Replace Main PCB
<F-Sensor Temperature chart and equivalencies>
°C
°F
-26.0
-14.8
31.37
3.30
-24.0
-11.2
27.97
3.17
-22.0
-7.6
24.98
3.03
-20.0
-4.0
22.33
2.90
-18.0
-0.4
20.00
2.76
-16.0
3.2
17.94
2.63
-14.0
6.8
16.11
2.49
-12.0
10.4
14.49
2.36
-10.0
14.0
13.05
2.23
-8.0
17.6
11.76
2.10
-6.0
21.2
10.62
1.98
-4.0
24.8
9.60
1.86
-2.0
28.4
8.69
1.75
0.0
32.0
7.88
1.64
2.0
35.6
7.15
1.53
4.0
39.2
6.50
1.43
6.0
42.8
5.91
1.34
8.0
46.4
5.38
1.25
10.0
50.0
4.91
1.16
12.0
53.6
4.48
1.08
14.0
57.2
4.10
1.01
16.0
60.8
3.75
0.94
18.0
64.4
3.43
0.87
20.0
68.0
3.15
0.81
22.0
71.6
2.89
0.76
24.0
75.2
2.65
0.70
26.0
78.8
2.44
0.65
28.0
82.4
2.25
0.61
30.0
86.0
2.07
0.57
32.0
89.6
1.91
0.53
34.0
93.2
1.76
0.49
36.0
96.8
1.63
0.46
Temperature
Resistance (kÙ)
Voltage (V)*
Result
SVC Action
110~120VAC
Go to step #5
Other Value
Replace Main PCB
Summary of Contents for LFC20770SB
Page 23: ...6 CIRCUIT DIAGRAM 22 CIRCUIT DIAGRAM ...
Page 24: ...CIRCUIT DIAGRAM 23 ...
Page 27: ...7 2 PCB FUNCTION CON 1 CON 3 CON 2 CON 8 CON 9 CON 7 CON 6 CON 5 CON 4 26 ...
Page 37: ... 36 LED Lamps P No LED Lamp R EAV61711901 Picture LED Lamp F EAV60892210 ...
Page 94: ...June 2011 MFL62526036 ...