Outdoor Unit Error Display Size 18 - Carrier 38MAQB12-1 Service Manual

Outdoor Unit Error Display Size 18

BR1
R96
D8
D10 D12
IC4 R89
R134 C56
C11
C12
C243
C242
R95
R47
E9
R19
E7
R59
R58 R110
C85 D11 R116
DZ4
C76
NTC3
IC34
E19
NTC1
E20
E21 C31
C53
S
LED1 − Flashing once per second (low speed flashing)(standby). Flashing once per half second (high speed
flashing)(standby)(error). Always on (running)
After powering on the unit, LED3 (Green color) and LED2 (Red color) flashes if the unit has a problem.
No.
1 Standby for normal
2 Operation normally
3 IPM malfunction or IGBT over-strong current protection
4 Over voltage or too low voltage protection
5 EEPROM parameter error
6 Inverter compressor drive error
7 Inverter compressor drive error
8 Inverter compressor drive error
CN12
REACTOR
C2
PTC1
C30
D5
T1
D19
R111
E26
REACTOR
E5
CN13
R51
IGBT1
D9
E2
D6
R322
C58
R321
C43
R320
R127
E6
E409
R67
R88 E17
E14
R18
R50 C80 R83
R82
IPM1
C96 R123 R80
C95 R122 R81
C20 R79 C47
R119 C98 C66
C93
R115
R125 R118
R126 R117
C114
R15
C52
R86
IC9
BLUE
R10
CN27
U
R148
24LC08
IC8
CN30
CN28 V
C113
RED
R149
C116 C117
C112
CN29
W
C115
BLACK
P
CN14
LED2
Fig. 26 – Size 18
Table 18—Error Codes
Problems
O（light）
Earth
CN6
CN22
DR
DR
CN21
C6
C5
L−OUT
C82
C59
R85 L1
E3
RY1
E4
IC402
PC817
Q2
R401
IC401
D2
C514 E8 E15 R103
1.8V 3.3V
D401
C401
C68
R114
R521
C516
C404
IC3 IC20 IC403
C515
C17
R518 R516
R519 R517
C506
C27 E407
R507
R508
C33 D407
R73
C37
T401
OSC1 D406
C81
C35 C410 R94
C16
R49
IC7 24LC512
R176
R121 E405
R63
C65
D405
R64
C67
R65
R66
D4 C409
R69 R55
R56 IC21 IC31 C411
PC817
E408
R54 R68
1
R178
CN9
C73
R175
R48
R25
Yellow
GREEN R22
17V G 15V 12V G 5V
7815 7805
311 TEST
CN24
C55 ZR3 IC405 IC404
CE− KFR72W/BP3(2)− 350(311+0515+1246+STK5C4U341/340).D.13.WP2.1
LED1
LED3
☆（2.5Hz flash）
X（off）
26
CN6−1
[1.0] 2014−7−5
L−IN
CN8
ZR2
DSA1
C3
65T 250V30A
FUSE1 RC3
CN7
CN7−1
ZR4 ZR1
C4
C1
RY2
P
IC14
CN15
RC1
IN
− − AC
+ +
RY3 ~ ~
RY4
RY5
CN39
R414
1
E1
C89
IC12 24LC08
CN16
D20
CN38
R33 C13 R23
R163 R165
D1
R32
R40
R87
C69 R1
C78 C77
C9 R8
J1
CN23 E28
R2
C106 R44
R161
IC1 IC2 R98
22 C87
J3 C7
12 R160
PC851
11 J2
R5
C14
X1
J5
R13 Q1
E403 J6 R3
CN20
R177
TP
C90
R6
IC10 R7
1
Suction
C28
(CompT op)
IC17
C63
E23 E24
R90
E404 R91
R43 R53
E11
R72
E402 D18 E22 Exhaust
J4 R74
R27 D7 C48
R120
R128
CN10
R533 Q8 IC6
C407
E10
DZ501
R531
PC817
C501 R107
C510
R515
IC16
E406
C414 C107
FANIPM
+
C504
C503 DZ504
C502
E504
+
E502
+ CN414
E503
DZ503
DZ502 202302141272
Ripm Temp−Pro Rdi
C505
Have YES Have
No NO No
LED2 LED2
(Green) (Red)
O X
X O
☆
X
O O
☆
O
☆
X
☆
O
☆ ☆
CN4
CN3
HEAT
CN2
S
PMV
T4
CN17
T3
CN1
R78 SW1
ON
1 2 3 4
R93
E27
1 2 3 4
R143
R108
Low−Fre
NO
YES
IU Display
P0
P1
E5
P4
P4
P4