Panasonic S-36PU1E5A Technical Data & Service Manual page 567

L04 Outdoor Unit Address Duplication
1. Error Detection Method
It is judged an error when the identical self-address communication on the indoor and outdoor wirings is received over 5 times
within 3 minutes.
2. Error Diagnosis
1 System
1-1 Are other outdoor units using a duplicate setting?
address
2 Installation
When units are networked, first set the system address for each outdoor unit in the order
2-1
or setting
1-2-3 and then run auto address setting.
related
Run the auto address setting.
2-2
5-45
Yes 2-1
No 2-2
5