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Troubleshooting for Outdoor Unit
SiUS092230EA
168
Part 6 Service Diagnosis
Reference
7.6 DC Fan Lock
Error Code
E7
Method of Error
Detection
An error is determined with the high-voltage fan motor rotation speed detected by the Hall IC.
Error Decision
Conditions
The fan does not start in 15 ~ 30 seconds even when the fan motor is running.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Supposed
Causes
Disconnection of the fan motor
Foreign matter stuck in the fan
Defective fan motor
Defective outdoor unit PCB
Troubleshooting
R6000892
Check No.16
Caution
YES
YES
NO
YES
NO
NO
YES
NO
Turn on the power.
Rotate the fan.
Check No. 16
Check the outdoor fan motor.
Turn off the power and
reconnect the connector.
Remove the foreign
matters.
Replace the outdoor fan
motor.
Replace the outdoor unit
PCB (main PCB).
Fan motor
connector disconnected?
Foreign matters
in or around the fan?
Replace the outdoor fan
motor.
Fan rotates
smoothly?
Pulse signal
generated?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for RX-W Series
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Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...