Mitsubishi MSZ-FA25VA - Page 25

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Check of installation of the horizontal vane
E
Start
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 lamp 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.
OB371_--1qxp 05.1.17 12:50 Page 25