SiUS34-907
Troubleshooting by Indication on the Remote Controller
Troubleshooting
109
3. Troubleshooting by Indication on the Remote
Controller
3.1
“
A0
”
Error of External Protection Device
Remote
Controller
Display
A0
Applicable
Models
All indoor unit models
Method of
Malfunction
Detection
Detect open or short circuit between external input terminals in indoor unit.
Malfunction
Decision
Conditions
When an open circuit occurs between external input terminals with the remote controller set to
"external ON/OFF terminal"
Supposed
Causes
Actuation of external protection device
Improper field set
Defect of indoor unit PCB
Troubleshooting
Act
u
ation of external protection
de
v
ice.
Check the setting state of the
O
N
/OFF inp
u
t from o
u
tside
b
y
remote controller.
External
protection de
v
ice is
connected to terminals T1
and T2 of the indoor
u
nit terminal
b
lock.
O
N
/OFF
inp
u
t from o
u
tside
(mode
N
o. 12, first code
N
o. 1)
has
b
een set to external protection
de
v
ice inp
u
t (second code
N
o. 03)
b
y remote
controller.
Replace the indoor
u
nit PCB.
YES
Change the second code
N
o. to
"01" or "02" .
YES
N
O
Check the setting state of the O
N
/OFF
inp
u
t from o
u
tside
b
y remote controller.
N
O
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting the connector, or parts may
b
e damaged.
Summary of Contents for VRV III-S RXYMQ36 48PVJU
Page 1: ...RXYMQ36 48PVJU R 410A Heat Pump 60Hz SiUS34 907...
Page 9: ...SiUS34 907 Safety Considerations viii...
Page 237: ...Wiring Diagrams SiUS34 907 228 Appendix 2 2 Field Wiring RXYMQ36 48PVJU 3D065370...
Page 238: ...SiUS34 907 Wiring Diagrams Appendix 229 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU 3D042620C...
Page 239: ...Wiring Diagrams SiUS34 907 230 Appendix FXZQ07M 09M 12M 18MVJU 3D059263...
Page 240: ...SiUS34 907 Wiring Diagrams Appendix 231 FXDQ07M 09M 12M 18M 24MVJU 3D050501A...
Page 241: ...Wiring Diagrams SiUS34 907 232 Appendix FXMQ07P 09P 12P 18P 24P 30P 36P 48PVJU 3D065984A...
Page 242: ...SiUS34 907 Wiring Diagrams Appendix 233 FXHQ12M 24M 36MVJU 3D048116A...
Page 243: ...Wiring Diagrams SiUS34 907 234 Appendix FXAQ07M 09M 12M 18M 24MVJU 3D046039D...
Page 244: ...SiUS34 907 Wiring Diagrams Appendix 235 FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...
Page 247: ...Option List SiUS34 907 238 Appendix...
Page 249: ...Example of Connection 240...
Page 263: ...Precautions for New Refrigerant R 410A SiUS34 907 254 Precautions for New Refrigerant R 410A...
