L04 Duplicate System (Outdoor Unit) Address Setting - Panasonic 2WAY Multi Technical & Service Manual

L04 Duplicate System (Outdoor Unit) Address Setting

Error detection method
An error is determined when identical system (outdoor unit) addresses exist within the same link wiring.
• When the system (outdoor unit) address settings were forgotten during link wiring.
• When the system (outdoor unit) address settings were accidentally duplicated during link wiring.
• When link wiring was performed with a water heat exchanger unit connected.
Troubleshooting
1 Check to ensure that unique system addresses has been set for each outdoor unit connected
System 1-1 to the same link wiring (indoor/outdoor operation wiring). Correct any duplicate addresses that
address are found and perform the auto-addressing process.
2
Link wiring is not possible when the water heat exchanger unit is connected. Disconnect the
Link wiring 2-1
link wiring.
forbidden
IV–69