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Troubleshooting by Indication on the Remote Controller
SiUS34-801A_b
368
Troubleshooting
Troubleshooting
Remove the foreign substances.
Correct the connection of the relay
connectors.
Insert the connector.
YES
Check if
any foreign substances
around the fan.
YES
YES
NO
NO
NO
Check in the monitor mode
REYQ72~120PYDN models have 2 fans.
Check electric motor (electric motor 1 or 2) corresponding
to malfunction code “
E7
” in the monitor mode of outdoor unit
PC board. (Refer to P.334 - P.335 for how to check)
Check the connection status of the connectors
Fan motor 1: relay connector or X1A, X2A (X501A,
X502A) of compressor inverter PC board.
Fan motor 2: relay connector or X1A, X2A (X501A,
X502A) of fan inverter PC board.
Check the color of relay connectors
Fan motor 1: Both power supply wire and signal wire are
all white.
Fan motor 2: Both power supply wire and signal wire are
red in the PC board side
and white in the motor side.
Cut the power supply OFF and wait for 10 minutes.
Check
if any connector is
disconnected.
Relay
connectors have
any connection
error.
A
(X501A)
(X501A)
Z5C
6ton
10ton
RXYQ
REYQ
REMQ
~
6ton
10ton
~
6ton
10ton
~
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Z6C
Z7C
(X502A)
(X502A)
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 ...