SiUS39-602
Troubleshooting by Indication on the Remote Controller
Troubleshooting
147
2.18
“
E7
”
Malfunction of Outdoor Unit Fan Motor
Remote
Controller
Display
E7
Applicable
Models
REYQ72M, 96M
Method of
Malfunction
Detection
Malfunction of fan motor system is detected according to the fan speed detected by hall IC
when the fan motor runs.
Malfunction
Decision
Conditions
When the fan runs with speed less than a specified one for 15 seconds or more when the fan
motor running conditions are met
When connector detecting fan speed is disconnected
When malfunction is generated 4 times, the system shuts down.
Supposed
Causes
Malfunction of fan motor
The harness connector between fan motor and PC board is left in disconnected, or faulty
connector
Fan does not run due to foreign matters tangled
Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Connector
of fan motor is
disconnected.
YES
NO
NO
NO
Harness connector
between compressor
inverter PCB and fan
inverter PCB
(A2P, A3P) is
disconnected.
YES
YES
Can the fan
be turned smoothly
with hand after disconnect
the connector of
fan motor?
Is there any
obstacle around
the fan?
YES
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
1A
Connect the connector.
Connect the harness
connector.
Remove the obstacle.
Replace the fan motor of
outdoor unit.
(V3076)
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...