TROUBLESHOOTING & REFERENCES
I-15
ENGLISH
HIGHWALL CONSOLE
COMPACT CASSETTE
LARGE CASSETTE
DUCTED
WIRED CONTROLLER
Outdoor
Pro-Series
LED Display
(CAC)
Outdoor
Multi-Zone
LED Display
(CAC)
Outdoor
Single-Zone
LED1 Flash
(RAC)
FAULT DESCRIPTION
Digital
Display
Digital
Display
Panel LED Flash or
ID PCB LED Flash
Panel LED Flash or
ID PCB LED Flash
Panel
Display
(PB*****)
HIGH STATIC
MID-STATIC DUCT
(MSP)
SLIM DUCT
YRE-17A
QACT17A
YRE-16B
Yellow Timer LED
(PCB LED5)
Green Run LED
(PCB LED1)
Yellow Timer LED
(PCB LED4)
Green Run LED
(PCB LED1)
LED4
(Yellow)
LED3
(Green)
LED4
LED3
LED4
(Yellow)
LED3
(Green)
/
/
28
Low refrigerant flow. Lockout.
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
28
/
Liquid pipe sensor failure: Circuit A
F10
F10
4
8
4
8
30
4
8
4
8
4
8
30
48
/
29
/
Liquid pipe sensor failure: Circuit B
F16
F16
4
9
4
9
31
4
9
4
9
4
9
31
49
/
30
/
Liquid pipe sensor failure: Circuit C
F17
F17
5
0
5
0
32
5
0
5
0
5
0
32
50
/
31
/
Liquid pipe sensor failure: Circuit D
F18
F18
5
1
5
1
33
5
1
5
1
5
1
33
51
/
32
/
Gas pipe sensor failure: Circuit A
F29
F29
5
2
5
2
34
5
2
5
2
5
2
34
52
/
33
/
Gas pipe sensor failure: Circuit B
F30
F30
5
3
5
3
35
5
3
5
3
5
3
35
53
/
34
/
Gas pipe sensor failure: Circuit C
F31
F31
5
4
5
4
36
5
4
5
4
5
4
36
54
/
35
/
Gas pipe sensor failure: Circuit D
F32
F32
5
5
5
5
37
5
5
5
5
5
5
37
55
/
36
/
Gas pipe sensor failure: Circuit E
F26
F26
5
6
5
6
38
5
6
5
6
5
6
38
56
/
/
37
Outdoor pipe temperature protection in cooling mode
F34
F34
5
7
/
/
/
/
/
/
/
/
/
39
57
37
/
/
Compressor overcurrent detected by IPM
/
/
/
/
5
7
39
5
7
5
7
5
7
39
57
38
38
/
Malfunction of module temperature sensor momentary
power failure detection
F35
F35
5
8
5
8
3A
5
8
5
8
5
8
3A
58
39
39
39
Malfunction of condensing temperature sensor
F36
F36
5
9
5
9
3B
5
9
5
9
5
9
3B
59
/
40
/
Liquid pipe sensor failure - Circuit E
F33
F33
6
0
6
0
3C
6
0
6
0
6
0
3C
60
/
41
/
Toci temperature sensor failure
F38
F38
6
1
6
1
3D
6
1
6
1
6
1
3D
61
42
42
/
High Pressure switch open
F39
F39
6
2
6
2
3E
6
2
6
2
6
2
3E
62
43
43
/
Low Pressure switch open
F40
F40
6
3
6
3
3F
6
3
6
3
6
3
3F
63
44
44
/
System high pressure protection: Overcharged, high
condensing temperature or malfunction of fan motor.
F41
F41
6
4
6
4
40
6
4
6
4
6
4
40
64
45
45
/
System low pressure protection: Undercharged, low
defrosting temperature, or malfunction of fan motor.
F42
F42
6
5
6
5
41
6
5
6
5
6
5
41
65
/
/
46
Incorrect match between indoor & outdoor
F43
F43
6
6
/
/
/
/
/
/
/
/
/
42
66
/
L0
/
OAT less than -22°F (-30°C)
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
Indoor ambient temperature sensor failure
E1
E1
0
1
0
1
01
0
1
0
1
0
1
01
01
/
/
/
Indoor coil temperature sensor failure
E2
E2
0
2
0
2
02
0
2
0
2
0
2
02
02
/
/
/
Indoor PCB EEPROM failure
E4
E4
0
4
0
4
04
0
4
0
4
0
4
04
04
/
/
/
Communication fault between the indoor and outdoor unit
/
/
0
7
0
7
07
0
7
0
7
0
7
07
07
/
/
/
Communication fault between the controller and Indoor
unit
/
E8
0
8
0
8
08
0
8
0
8
0
8
Flashing 07 (YR-E17) /
Flashing ! (QACT17A)
/
/
/
/
DC voltage of the fan motor driver too high or too low
/
/
/
/
/
/
/
0
17
/
/
0
17
11
17
/
/
/
Fan motor driver over 95°F (35°C)
/
/
/
/
/
/
/
0
18
/
/
0
18
12
18
/
/
/
Indoor fan motor out of step
/
/
/
/
/
/
/
0
19
/
/
0
19
13
19
/
/
/
Drain system malfunction
/
E12
0
12
0
12
0C
0
12
0
12
0
12
0C
12
/
/
/
Zero cross signal detected wrong
/
E13 / C1
0
13
0
13
0D
0
13
0
13
0
13
0D
13
/
/
/
Indoor fan motor malfunction
E14*
E14
0
14
0
14
0E
0
14
0
14
0
14
0E
14
/
/
/
Indoor fan motor overcurrent
/
/
/
/
/
/
/
0
15
/
/
0
15
0F
15
Master Error Code Chart
Summary of Contents for ASH220NCDWA
Page 2: ...Oct 2020 Manual release Revision History...
Page 12: ...This page intentionally left blank...
Page 45: ...WALL MOUNT TECHNICAL OVERVIEW ENGLISH Topic Title C 9 Wiring Diagrams...
Page 68: ...This page intentionally left blank...
Page 78: ...This page intentionally left blank...
Page 104: ...This page intentionally left blank...
