20
Check of installation of the horizontal vanes
E
Turn OFF the
power supply.
Replace the
thermal fuse (F12).
Is resistance
∞
between the connector CN 201
1
on indoor
electronic control P.C. board and the terminal block
N
?
Yes
No
CN201
Indoor electronic
control P.C. board
Ok
Start
Replace the
indoor electronic
control P.C. board.
Replace the
safety device.
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
Is OPERATION
INDICATOR lamp flashing?
Yes
No(
∞
)
No
OK
Turn ON the
power supply.
To check the continuity of safety device,
measure the resistance of connector
1
-
3
connected to CN1R1 on the indoor
electronic control P.C. board.
Turn OFF the
power supply.
Turn OFF the
power supply.
When both OPERATION INDICATOR lamps flash 1-time.
Indoor unit and outdoor unit don’t operate.
Check of thermal fuse
F
OB390--1qxp 05.2.9 11:27 Page 20
Summary of Contents for MSZ-CA25VB
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