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Troubleshooting (OP: Central Remote Controller)
SiUS34-801A_b
450
Troubleshooting
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
NO
Not available for combined
use with the remote control
adapter. Dismount the
remote control adapter, and
then reset power supplies of
every central equipment.
Not available for combined
use of the schedule timer and
the Interface for BaCnet
®
.
Dismount either of them, and
then reset power supplies of
every central equipment.
Not available for combined
use of the schedule timer and
the DMS-IF. Dismount either
of them, and then reset
power supplies of every
central equipment.
Not available for combined
use of the schedule timer and
the parallel interface.
Dismount either of them, and
then reset power supplies of
every central equipment.
Dismount the Independent/
Combined use connector
(CN1/X1A) of the schedule
timer, and then reset power
supplies of every central
equipment.
Integrate every central
equipment to which the
master unit central connector
is connected, and then reset
power supplies of every
central equipment.
Disconnect the master unit
central setting connector and
connect this connector to
different central equipment,
and then reset power
supplies of every central
equipment. Central
equipment, to which the
master unit central setting
connector is connected at the
time when the malfunction
code is cleared, is faulty.
Replace this equipment.
YES
YES
YES
NO
YES
Has the
remote control adapter
(KRP2A series) been
connected?
Has the
schedule timer been
connected?
The "
MA
" error code has
been cleared.
Are there
two or more units
of central equipment
with master unit setting
connectors (CN1/X1A)
connected?
Reset the
power supplies of every
central equipment.
Has
the Interface for
BaCnet
®
been
connected?
NO
NO
YES
Has the
DMF-IF been
connected?
NO
YES
Has the parallel
interface been
connected?
NO
YES
Has the
Independent/
Combined use
connector(CN1/X1A) of the
schedule timer been
connected?
Central equipment: Normal
The List of Setting of Master
Unit Central Setting Connector
Check 8
The
MA
malfunction code is
displayed again.
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Check 8
: Referring to the information on P467.
∗
1
∗
1
Summary of Contents for VRV III
Page 15: ...SiUS34 801A_b xiv ...
Page 23: ...Model Selection SiUS34 801A_b 8 General Information ...
Page 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz ...
Page 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label ...
Page 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit ...
Page 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325 ...
Page 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A ...
Page 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640 ...
Page 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A ...
Page 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A ...
Page 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A ...
Page 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A ...
Page 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640 ...
Page 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A ...
Page 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A ...
Page 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A ...
Page 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix ...
Page 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix ...
Page 563: ...SiUS34 801A_b iv Index ...