47
Check of indoor fan motor
A
Inodoor fan does not operate.
Turn OFF power supply.
Check connector (Fan motor) visually.
Repair indoor fan motor.
Disconnect lead wires from connector (Fan motor) on indoor electronic control P.C. board.
Measure resistance between lead wires No.1 and No.3 and then No.2 and No.3 (09NW).
Are lead wires connected?
Reconnect the lead wires.
Is soldered point normal?
Replace the indoor electronic con-
trol P.C. board.
Resolder it.
Is resistance 0 (short circuit) or
∞
(open circuit)?
Yes ( 0 or
∞
)
No
(others)
Yes
No
Yes
No
{
}
No.1 and No.4 and then No.3 and No.4 (12/15/17NN).
12/15/17NN
09NW
Insert screwdriver into air outlet to
rotate indoor fan motor slowly for 1
revolution or over, and measure
voltage between YLW and GRY of
CN 121 .
Does voltage repeat 0V
DC and more than 5V?
Yes
No
OB198--2.qxp 24/6/97 6:02 AM Page 47
Содержание Mr. Slim MSH09NW
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