73
Troubleshooting
Diagram 12:
Start
Use the Tesr 10
position to test
voltage values
by voltmeter
Use the Tesr 13
position to test
voltage values
by voltmeter
Numerical change
Numerical change
Use the Tesr 15
position to test
voltage values
by voltmeter
Numerical change
Use the Tesr 10
position to test
voltage values
by voltmeter
Numerical change
Outdoor unit
communication
circuit detection
is normal.
Outdoor unit error
End
Outdoor unit communication circuit detection process as follows ( outdoor unit key test points)
