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Troubleshooting by Indication on the Remote Controller
SiUS34-801A_b
356
Troubleshooting
3.13
E1
Outdoor Unit: PC Board Defect
Remote
Controller
Display
E1
Applicable
Models
RXYQ72P~240PYDN, PTJU
REYQ72P~240PYDN, PTJU
Method of
Malfunction
Detection
Abnormality is detected in the hardware section communication between the indoor unit and
outdoor unit.
Malfunction
Decision
Conditions
When the communication conditions in the hardware section between the indoor unit and the
outdoor unit are not normal.
Supposed
Causes
Defect of outdoor unit PC board (A1P)
Defective connection of inside/ outside relay wires
Troubleshooting
Turn off the power once and
turn on again.
Return to normal?
Check
if inside / outside
relay wires of outdoor
main PC board is
disconnected.
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
External factor other than
malfunction (for example,
noise etc.).
Connect the inside/ outside
relay wires correctly.
Replace outdoor main PC
board (A1P).
(V3064)
NO
NO
YES
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 ...