Troubleshooting by Remote Controller
SiUS30-604
152
Troubleshooting
<Selection of setting item>
<Confirmation of malfunction 1>
To enter the monitor mode, push the
MODE button (BS1) when in
“Setting mode 1”.
Push the SET button (BS2) and set
the LED display to a setting item.
Push the RETURN button (BS3)
once to display “First digit” of
malfunction code.
<Confirmation of malfunction 2>
Push the SET button (BS2) once to
display “Second digit” of malfunction
code.
Push the RETURN button (BS3) and
switches to the initial status of
“Monitor mode”.
∗
Push the MODE button (BS1) and
returns to “Setting mode 1”.
<Confirmation of malfunction 3>
Push the SET button (BS2) once to
display “master or slave1 or slave2”
and “malfunction location”.
* Refer P.122 for Monitor mode.
* Refer P.122 for Monitor mode.
Detail
description
on next
page.
Contents of malfunction
Malfunction
code
Gas shortage
Gas shortage alarm
U0
Reverse phase
Reverse phase error
U1
Abnormal power supply voltage
Insufficient inverter voltage
U2
Inverter open phase (phase T)
Charging error of capacitor in inverter main circuit
No implementation of test-run
U3
Transmission error between indoor and
outdoor unit
I/O transmission error
U4
Transmission error between outdoor units,
transmission error between thermal storage
units, duplication of IC address
O/O transmission error
U7
Transmission error of other system
Indoor unit system malfunction in other
system or other unit of own system
U9
Erroneous on-site setting
Abnormal connection with excessive
number of indoor units
UA
Conflict of refrigerant type in indoor units
Faulty system function
Incorrect wiring (Auto address error)
UH
Transmission error in accessory devices, conflict
in wiring and piping, no setting for system
Malfunction of multi level converter,
abnormality in conflict check
UJ
UF
Summary of Contents for VRV - WII
Page 1: ...SiUS30 604 Water Cooled Inverter Series Heat Pump Heat Recovery 60Hz...
Page 7: ...SiUS30 604 vi Table of Contents Index i Drawings Flow Charts v...
Page 13: ...Introduction SiUS30 604 xii...
Page 27: ...Capacity Range SiUS30 604 14 General Information...
Page 49: ...Specifications SiUS30 604 36 Specifications...
Page 61: ...Refrigerant Flow for Each Operation Mode SiUS30 604 48 Refrigerant Circuit...
Page 276: ...SiUS30 604 Piping Diagrams Appendix 263 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 283: ...Wiring Diagrams SiUS30 604 270 Appendix FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...
Page 284: ...SiUS30 604 Wiring Diagrams Appendix 271 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 305: ...Precautions for New Refrigerant R 410A SiUS30 604 292 Precautions for New Refrigerant R 410A...
Page 309: ...SiUS39 601 iv Index...