P31 Group Control Error - Panasonic 2WAY Multi Technical & Service Manual

P31 Group Control Error (Cannot be detected when the water heat exchanger unit is connected.)
Error detection method
Under the following conditions, all non-master units in the remote controller group display this error and stop.
• When remote controller linking wiring is connected to an indoor unit independently controlled by a remote
controller (L07)
• When multiple master units exist within remote controller group wiring (L03).
• When indoor unit fails to receive from remote controller (central) (E03).
Troubleshooting
1
Is this indoor unit independently controlled by remote
1-1
Remote
controller?
controller
In the remote controller detailed settings mode, confi rm independent control, then disconnect
group wiring
1-2
the remote controller group link wiring.
In the remote controller detailed settings mode, check the group settings. If set to
1-3
"Independent", correct settings.
● See "5. Reference Document" for detailed remote controller settings.
IV–105
Yes 1-2
No 1-3