21
Check of installation of the horizontal vane
E
Replace the
indoor electronic
control P.C. board.
Replace the
interlock switch(Fan).
Is the stopper of the horizontal vane
locked to the indoor unit correctly?
Yes
No
Is there resistance 0
"
?
Relock the stopper of the
horizontal vane to the indoor unit.
(Refer to 9-1.5.)
Yes
Are all lamps flashing?
Yes
No(
∞
)
No
OK
Turn ON the
power supply.
To check the continuity of the interlock switch
(Fan), measure the resistance of connector
1
-
2
connected to CN1R1 on the indoor
electronic control P.C. board.
Turn OFF the
power supply.
Turn OFF the
power supply.
When all lamps flash ON and OFF every 0.5-second.
Indoor unit and outdoor unit do not operate.
OB378C--1.qxp 07.3.30 8:35 AM Page 21
