157
YES
YES
YES
YES
NO
NO
NO
NO
OK
NG
Is backup operation of outdoor unit being set up?
Is No. of connected indoor units correct?
Is setup of indoor unit HP correct?
Is total capacity of connected
indoor units within 135%?
For a service P.C. board, check outdoor HP setup.
(Set up jumper 9, 10, 11, and 12.)
Set up outdoor HP.
(Refer “How to exchange interface P.C. board”.)
Set capacity of connected
indoor units within 135% of outdoor units.
Correct HP setup.
Excessive indoor units are connected.
Correct miscabling.
Perform setup of no detection
for capacity over. (
1)
Check outdoor interface P.C. board A’ssy.
Check code
[E16] / [89]
(d07 / AI-NET)
Check code name
Connected indoor units
capacity over
Cause of operation
1. There are 48 or more connected indoor units.
2. Capacity over of total connected indoor units.
3. Incorrect setup of indoor/outdoor capacity
Sub-code: 00 : Capacity over 49 to 64 of connected units
(
∗∗
∗∗
∗1) Setup of no detection of capacity over
Turn SW09 Bit 2 on I/F P.C. board of header
outdoor unit to ON. (Usually OFF)
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