E08 Duplicated Indoor Unit Address Setting - Panasonic 2WAY Multi Technical & Service Manual

E08 Duplicated Indoor Unit Address Setting

Error detection method
An error is determined when the Indoor unit address is duplicated.
• In the remote controller detailed settings mode, the indoor address setting is duplicated.
• Several indoor units with no indoor unit address setting have the DISP pin (CN063/CN072) short-circuited.
Troubleshooting
1
Is the water heat exchanger unit connected and link wiring
1-1
Link wiring
in effect?
2
Is the DISP pin (CN063/CN072) on the indoor unit's
2-1
Indoor unit's
control board short-circuited?
control board
Perform pre-check before auto-addressing. (See "5.
2-2 Reference Document.") Does E08 remain after repeating
auto-addressing?
2-3 The non-volatile memory (EEPROM) on the indoor board is defective → Replace
To change indoor unit address, instead of using the remote controller's advanced settings,
2-4
use the remote controller's address change mode.
● The designation (/) is used in the table to indicate indoor boards for DC and AC motor models.
● See instructions packaged with servicing indoor board for procedure on replacing indoor non-volatile
memory (EEPROM).
IV–45
Yes Stop using link wiring
No 2-1
Yes Eliminate short-circuit
No 2-2
Yes 2-3
No 2-4