[
IX
Troubleshooting ]
- 123 -
HWE1312A
GB
4220
(
108
)
Inverter
error
Voltage
related
problems
during
operation
Bus voltage drop protection
Momentary power failure/power failure
Power supply voltage drop (Inter-phase
voltage is 180 V or below.)
Voltage drop
• INV board CNDC2 wiring fault
• INV board fault
• 52C fault
• Diode stack failure
4220
(
109
)
Bus voltage rise protection
Incorrect power supply voltage
• INV board fault
4220
(
111
)
Logic error
Malfunction due to external noise
interference
• Faulty grounding
• Improper transmission and external
wiring installation
(Shielded cable is not used.)
• Low-voltage signal wire and high-
voltage wire are in contact.
(Placing the signal wire and power
wire in the same conduit)
• INV board fault
4220
(
131
)
Voltage meter error at start up
(Bus voltage drop protection at start up
(detected by the Main unit side))
Power supply voltage drop
• PCB fault
4230
Heatsink fault
(Heatsink overheat protection)
Power supply voltage drop (Inter-phase
voltage is 180 V or below.)
Clogged heatsink cooling air passage
• Fan motor fault
• THHS sensor fault
• IPM error (loose terminal screws,
cracked due to swelling)
4240
d
e
g
g
o
l
C
n
o
i
t
c
e
t
o
r
p
d
a
o
l
r
e
v
O
heatsink cooling air passage
Power supply voltage drop (Inter-phase
voltage is 180 V or below.)
• THHS sensor fault
• Current sensor fault
• INV circuit fault
• Compressor fault
5301
(
115
)
t
l
u
a
f
d
r
a
o
b
V
N
I
•
t
l
u
a
f
r
o
s
n
e
s
T
C
C
A
• Ground fault of the compressor and IPM
error
5301
(
116
)
DCCT sensor
• Poor contact at the INV board connector
CNCT
• Poor contact at the INV board connector
DCCT
• Ground fault of the compressor and IPM
error
5301
(
117
)
r
o
o
P
•
t
l
u
a
f
t
i
u
c
r
i
c
/
r
o
s
n
e
s
T
C
C
A
contact at the INV board connector
CNCT2 (ACCT)
• ACCT sensor fault
5301
(
118
)
o
c
r
o
o
P
•
t
l
u
a
f
t
i
u
c
r
i
c
/
r
o
s
n
e
s
T
C
C
D
ntact at the INV board connector
CNCT
• Poor contact at the INV board connector
DCCT
• DCCT sensor fault
• INV board fault
5301
(
119
)
Open-circuited IPM/loose ACCT sensor
• Disconnected ACCT sensor (CNCT2)
• ACCT sensor fault
• Broken compressor wiring
• INV circuit fault (IPM error etc.)
5301
(
120
)
Faulty wiring
• ACCT sensor is connected in the wrong
phase.
• ACCT sensor is connected in the wrong
orientation.
5110
e
r
u
li
a
f
t
c
a
t
n
o
c
r
o
s
n
e
s
S
H
H
T
•
t
l
u
a
f
t
i
u
c
r
i
c
/
r
o
s
n
e
s
S
H
H
T
• THHS sensor fault
• INV board fault
0403
l
o
r
t
n
o
c
n
e
e
w
t
e
b
r
o
r
r
e
n
o
i
t
a
c
i
n
u
m
m
o
C
•
r
o
r
r
e
n
o
i
t
a
c
i
n
u
m
m
o
c
l
a
i
r
e
S
board and INV board (noise interference,
broken wiring)
n
e
e
w
t
e
b
n
o
i
t
c
e
n
n
o
c
r
o
t
c
e
n
n
o
c
r
o
g
n
i
r
i
W
•
r
o
r
r
e
g
n
i
t
t
e
s
h
c
t
i
w
s
d
r
a
o
b
V
N
I
r
o
r
r
e
m
e
t
s
y
s
M
P
I
connectors on IPM-driven power supply
circuit
• INV board fault
6831
Remote
control-
ler error
(incl.
remote
control-
ler wir-
ing
fault)
Remote controller signal reception error 1
Remote controller cable is not
connected.
Broken wiring
• Broken remote controller wiring
• Main control board communication circuit
fault
6832
Remote controller signal transmission error
Communication error due to external
noise interference
• Main control board communication circuit
fault
6834
Remote controller signal reception error 2
Communication error due to external
noise interference
• Main control board communication circuit
fault
6833
Remote controller over current
Remote controller cable short circuit
Remote controller malfunction
• Broken remote controller wiring
Error
code *1
(PCB *2)
Error type
Cause
(Installation/Setting error)
Cause
(Parts problems)
Error reset *3
Unit
side
(PCB)
Remote
SWS1
Operation
SW
Summary of Contents for CRHV-P600YA-HPB
Page 1: ......
Page 7: ...CONTENTS HWE1312A GB ...
Page 9: ... 2 HWE1312A GB ...
Page 19: ... 12 HWE1312A GB ...
Page 41: ... II Restrictions 34 HWE1312A GB ...
Page 43: ... 36 HWE1312A GB ...
Page 51: ... III Unit Components 44 HWE1312A GB ...
Page 52: ... 45 HWE1312A GB IV Remote Controller 1 Using the Remote Controller 47 2 Function Settings 52 ...
Page 53: ... 46 HWE1312A GB ...
Page 61: ... IV Remote Controller 54 HWE1312A GB ...
Page 62: ... 55 HWE1312A GB V Electrical Wiring Diagram 1 Electrical Wiring Diagram 57 ...
Page 63: ... 56 HWE1312A GB ...
Page 67: ... V Electrical Wiring Diagram 60 HWE1312A GB ...
Page 69: ... 62 HWE1312A GB ...
Page 73: ... VI Refrigerant Circuit 66 HWE1312A GB ...
Page 75: ... 68 HWE1312A GB ...
Page 107: ... VII Control 100 HWE1312A GB ...
Page 109: ... 102 HWE1312A GB ...
Page 117: ... 110 HWE1312A GB ...
Page 165: ... IX Troubleshooting 158 HWE1312A GB ...
Page 166: ... 159 HWE1312A GB X Attachments 1 R410A saturation temperature table 161 ...
Page 167: ... 160 HWE1312A GB ...
Page 170: ......
