Haier AB072XCEAA Service Manual - Page 78
Pressure protection, discharge temperature is over, compressor doesn, t run
 |
View all Haier AB072XCEAA manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 78 highlights
3 Pressure protection Pressure switch alarm Chff^j\bZe Abj Chg]blbhg^j Use multi-meter to test the pressure switch. Short-connected: OK Open: alarm state Abnormal Check the wires connection OK OK Run the system, check the true pressure is good Change outdoor PCB Pressure is abnormal Check the valve state, pipes are deformed , leaking or not, refrigeration charging 4 discharge temperature is over-high Discharge temp. is over high if the temp. is not very high Change sensor Test the true temp. . if the temp. is really very high Check the refrigeration charging, pipe system is deformed, leaking or blocked or not 5 compressor doesn t run Compressor doesn t run Check the indoor controller setting is right or not Disconnect compressor to check the system can work for short time or not Check the magnetic contactor is good or not z 76 z
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73 -
74 -
75 -
76 -
77 -
78 -
79 -
80 -
81 -
82 -
83 -
84
-
85
-
86
-
87
-
88
-
89
 |
 |
