156
Check code
[E15] / [42]
(d07 / AI-NET)
Check code name
No corresponding indoor unit
during automatic address
Cause of operation
1. Communication line connection error
between indoor and outdoor.
2. Indoor power system error
3. Noise from surrounding devices
4. Power failure
5. Indoor P.C. board error
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Did a power failure occur?
Is there no noise source?
Is connection of CN01
connector on I/F P.C. board of
header outdoor unit correct?
Is communication line between
indoor and outdoor normal?
Is connection of CN40 connector
on indoor P.C. board correct?
Is there any connection
error of power cable?
Set up address again
after resetting power supply.
Set up address again after
resetting power supply.
Correct communication line.
Correct connection of connector.
Correct connection of connector.
Correct power cable.
Eliminate noise.
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