Haier AW07LC2VHA, Технический обзор

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REFERENCES
PAGE 69
ENGLISH
REFERENCES
Troubleshooting
Timer lamp
flash time
Running lamp
flash time
1 Faulty of outdoor unit EEPROM 15 2 1
F12
2 IPM overcurrent or short circuit 16 2 2
F1
4 Communication failure between Module and ECU 18 2 4
F3
5 Module operated overload 19 2 5
F20
6 Module low or high voltage 1A 2 6
F19
8
Discharging temperature overheating.Lack of
refrigerant,
ambient temperature too high or PMVs blocked.
1C 2 8
F4
9 Malfunction of the DC fan motor 1D 2 9
F8
10 Malfunction of defrosting temp. sensor 1E 3 0
F21
11 Malfunction of compressor suction temp. sensor 1F 3 1
F7
12 Malfunction of ambient temp. sensor 20 3 2
F6
13
Malfunction of compressor discharge temp.
sensor
21 3 3
F25
15
Communication failure between indoor&outdoor
unit
23 3 5
E7
16 Lack of refrigerant or discharging 24 3 6
F13
17 4-way valve switching failure 25 3 7
F14
18 Loss of synchronism detection 26 3 8
F11
20 Indoor thermal overload 28 4 0
E9
21 Indoor frosted 29 4 1
E5
23 Module thermal overload 2B 4 3
F5
24 Compressor start failure 2C 4 4
F2
25 Module input overcurrent 2D 4 5
F23
26 MCU reset 2E 4 6
F9
27 Module current detect circuit malfunction 2F 4 7
F24
28
Malfunction of liquid pipe temp. sensor for
indoor unit A
30 4 8 F10
29
Malfunction of liquid pipe temp. sensor for
indoor unit B
31 4 9
F16
30
Malfunction of liquid pipe temp. sensor for
indoor unit C
32 5 0 F17
31
Malfunction of liquid pipe temp. sensor for
indoor unit D
33 5 1 F18
32
Malfunction of gas pipe temp. sensor for indoor
unit A
34 5 2 F29
33
Malfunction of gas pipe temp. sensor for indoor
unit B
35 5 3
F30
34
Malfunction of gas pipe temp. sensor for indoor
unit C
36 5 4 F31
35
Malfunction of gas pipe temp. sensor for indoor
unit D
37 5 5 F32
36
Malfunction of gas pipe temp. sensor for indoor
unit E
38 5 6
F26
38
Malfunction of module temp.sensor
Momentary power failure detection
3A 5 8
F35
39 Malfunction of condensing temp. sensor 3B 5 9 F36
40
Malfunction of liquid pipe temp. sensor for
indoor unit E
3C 6 0 F33
41 Malfunction of ‘Toci’temp. sensor 3D 6 1
F38
42 System high pressure switch off 3E 6 2
F39
43 System low pressure switch off 3F 6 3
F40
44
System high pressure protection.Refrigerant
overabundance,
High condensing temp. or malfunction of fan
motor.
40 6 4
F41
45
System low pressure protection.Refrigerant
shortage,
Low defrosting temp., or malfunction of fan
motor.
41 6 5
F42
Trouble shooting
Outdoor
LED
display
Outdoor unit fault possible reasons
Wired controller
display(Hex)---for
duct
Cassette indoor display outdoor Wall mounted
indoor display