Samsung AR09HSFSPWKNEE, Руководство по обслуживанию, Страница: 110 / 150

10-6 Sams u ng El ectronics
10-2-5 Indoor fan motor speed detecting error (BLDC fan)
Indoor display
3-LED DI S PLAY
7- S EG DI S PLAY
DE S CRIPTION
LED1 LED2 LED3
E154 I n d oor f an error
{ { ◎
O
LED ON
◎
LED BLINKING
{
LED OFF
1 . C hec kl ist :
1) I s the in d oor u nits f an motor p ro p er ly connecte d w ith the connector (CN72)?
2) I s the AC v o l tage correct ?
2 . T ro ubl eshooting p roce du re
NO
YE S
P o w er o ff an d Se p arate the F an motor w ire
f rom CN72 on I n d oor PBA
Ex change the F an
motor
YE S
YE S
NO
YE S
YE S
D oes the f an rotate ?
I s the f an error a pp eare d again ?
I s there short among
each p in #1~#6
I s the v o l tage o f CN72 #1-#3 o v er 250Vd c
I s the v o l tage o f CN72
#3-#5 an d #3-#6 w ith in 1Vd c ~15Vd c du ring
the o p eration ?
R estart a f ter p o w er o ff .
R eassem bl e the f an w ire an d in pu t the p o w er again
PBA p ro bl em or M otor p ro bl em
C hange the PBA f irst an d chec k the o p eration
Ex change the F an motor
NO
NO
NO
T erminate the
ser v ice
F o ll o w the chec k p roce du re o f I n d oor u nit
p o w er s upply error chec k
Ex change the I n d oor PBA