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SiBE37-701
Troubleshooting by Indication on the Remote Controller
Troubleshooting
353
Troubleshooting
(V2822)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
For VRV
systems, can the
setting of central controlgroup
No. be made in one and
the same refrigerant
system?
Was
the central
control group No.
for indoor unit
changed?
Make correct setting of the
central control group No.
Check outdoor units to which
the refrigerant system is
connected.
Check whether or not there
are no problems with the
transmission wiring length,
types of cables and wires,
number of units connected,
and others. If no problems,
replace the indoor unit PC
board.
NO
YES
Continued to A
(on the following
page)
YES
Check
the indoor
unit for which
“UE” is displayed.
Is the the transmission
malfunction (UE)
caused on
all indoor
units?
Is the
power supply of
the indoor unit, on which
the “
UE
” occurred,
turned ON?
Has
the setting of
central control group No.
been made with the
indoor unit on which
the “
UE
”
occurred?
NO
NO
YES
Can
the setting of
central control group
No be made?
Make sure there are no
hazardous situations, and
then turn ON the power
supply.
NO
NO
YES
YES
NO
YES
Reset the power supplies of
every central equipment.
For the intelligent Touch
controller, register the air
conditioner again while in
DIII-NET test run menu.
Summary of Contents for VRV III REYQ8PY1B
Page 1: ...REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701...
Page 111: ...Refrigerant Flow for Each Operation Mode SiBE37 701 100 Refrigerant Circuit...
Page 252: ...SiBE37 701 Troubleshooting by Remote Controller Troubleshooting 241...
Page 396: ...SiBE37 701 Piping Diagrams Appendix 385 REYQ14P 16P 3D058153B S2NPL S1NPH...
Page 397: ...Piping Diagrams SiBE37 701 386 Appendix REMQ8P 3D057743...
Page 398: ...SiBE37 701 Piping Diagrams Appendix 387 REMQ10P 12P 3D057742...
Page 399: ...Piping Diagrams SiBE37 701 388 Appendix REMQ14P 16P 3D057741...
Page 400: ...SiBE37 701 Piping Diagrams Appendix 389 1 2 Indoor Unit FXFQ P...
Page 405: ...Piping Diagrams SiBE37 701 394 Appendix 1 3 BS Unit 4D057985A...
Page 415: ...Wiring Diagrams for Reference SiBE37 701 404 Appendix FXZQ20M 25M 32M 40M 50MV1...
Page 416: ...SiBE37 701 Wiring Diagrams for Reference Appendix 405 FXCQ20M 25M 32M 63MV3...
Page 417: ...Wiring Diagrams for Reference SiBE37 701 406 Appendix FXCQ40M 50M 80M 125MV3...
Page 420: ...SiBE37 701 Wiring Diagrams for Reference Appendix 409 FXDQ20M 25MV3...
Page 421: ...Wiring Diagrams for Reference SiBE37 701 410 Appendix FXSQ20M 25M 32M 40M 50M 63MV3...
Page 422: ...SiBE37 701 Wiring Diagrams for Reference Appendix 411 FXSQ80M 100M 125MV3...
Page 447: ...Example of connection SiBE37 701 436 Appendix...
Page 453: ...Method of Checking the Inverter s Power Transistors and Diode Modules SiBE37 701 442 Appendix...
Page 467: ...SiBE37 701 iv Index...