161
YES
YES
YES
YES
NO
NO
NO
NO
Is outdoor unit setting backup?
Is main power of follower unit turned on?
Is communication line between
outdoor units connected normally?
Is communication connector (CN03)
between follower outdoor units connected?
Correct connector connection.
(Communication connector: CN03)
Check I/F P.C. board.
Clear the error, and then start operation. (
1)
Turn on the main power supply.
Correct connection of communication line.
Check code
[E25] / [15]
(d07 / AI-NET)
Check code name
Duplicated follower
outdoor address setup
Cause of operation
Addresses are duplicated by manual setup of
outdoor address
Do not set up outdoor address manually.
Check code
[E26] / [15]
(d07 / AI-NET)
Check code name
Decrease of connected outdoor
units
Cause of operation
1. Outdoor unit backup setup
2. Outdoor power error
3. Communication line connection error between
outdoor units
4. Connector connection error for communication
5. Outdoor I/F P.C. board error
Sub-code: No. of outdoor units which received signals normally
(
∗∗
∗∗
∗1) How to clear the error
Set SW01/SW02/SW03 on I/F P.C. board of header unit to 2/16/1,
and push SW04 for 5 seconds or more.
(7-segment display: [Er.] [CL])
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