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SiAF332111E
Error Code via Outdoor Unit PCB
Part 6 Service Diagnosis
187
Selection of setting item
Confirmation of error 1
To enter the monitor mode, press
the
MODE (BS1)
button when in
“Setting mode 1”.
Press the
SET (BS2)
button and set
the LED display to a setting item.
Press the
RETURN (BS3)
button
once to display "First digit" of error
code.
Confirmation of error 2
Press the
SET (BS2)
button once to
display "Second digit" of error code.
Press the
RETURN (BS3)
button
and switches to the initial status of
“Monitor mode”.
∗
Press the
MODE (BS1)
button and
returns to “Setting mode 1”.
Confirmation of error 3
Press the
SET (BS2)
button once to
display "error location".
Detailed
description
on next
page.
Confirmation of error 4
Press the
SET (BS2)
button once to
display "master or slave 1 or slave 2"
and "error location".
Monitor mode
Error Description
Error Code
Imbalance of inverter power supply
Inverter circuit capacitor high voltage
voltage
P1
Radiation fin thermistor abnormality
Defective thermistor of inverter fin
P4
PJ
Poor inverter and fan drive combination
Power supply insufficient or
instantaneous abnormality
Refrigerant shortage
Refrigerant shortage alarm
U0
Insufficient Inverter voltage
U2
Open phase in inverter (Phase T)
Error due to SP-PAM overvoltage
Error due to P-N short circuit
U3
Check operation not executed
Transmission error between indoor
units and outdoor units
U4
I/O transmission error
Indoor unit system error
Transmission error between indoor
units and outdoor units in the same
system
Indoor unit system abnormal in other
system or other indoor unit system
abnormal in own system
U9
Improper combination of indoor units
and outdoor units, indoor units and
remote controller
System transmission error
UA
Overconnection error of indoor units
Error of field setting
Refrigerant abnormal
Connection error (BP unit)
System not set yet
Conflict in wiring and piping
UF
UH
Wiring error (Auto-address error)
System abnormality, refrigerant
system address undefined
Summary of Contents for VRV S RXQ4/5ARV1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...