102
Check code
[E18] / [97/99]
(Current code / AI-NET)
Check code name
Communication error between
indoor header and follower
Cause of operation
1. Regular communication between indoor header
and follower is unavailable.
2. Switch setup error of wall type P.C. board
YES
YES
YES
YES
NO
NO
NO
NO
Is a group control operation?
Check indoor address.
Correct indoor address.
Is there any disconnection of
connector or wiring from terminal block
of indoor unit?
Are remote controller
inter-unit cables (A/B) normal?
Are powers of
all indoor units turned on?
Check indoor P.C. board.
Failure
→
Replace
Check power connection status
of indoor unit.
Correct connection of connector.
Check circuit wire.
Correct remote controller
inter-unit wire.
YES
NO
Correct switch setup.
Is setup of the model SELECT SW
(SW02) on wall type P.C. board of normal?
Bit 1: ON
Bit 2: OFF
FILE NO. SVM-1
40
77