Samsung AR09KSWSPWKNCV, Руководство по обслуживанию

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10-4 Sams u ng El ectronics
10-2-3 Indoor Eva-in temperature sensor error
Indoor display
3-LED DI S PLAY
7- S EG DI S PLAY
DE S CRIPTION
LED1 LED2 LED3
E122,E123 I n d oor MID, I n d oor IN PIPE-TH sensor error
◎ ◎ {
O
LED ON
◎
LED BLINKING
{
LED OFF
1 . C hec kl ist :
1) I s the in d oor u nits tem p erat u re sensor connecte d correct ly?
2) I s the sensor pl ace d correct ly?
3) D oes the b oth termina l o f sensor satis fy the resistance v a lu e in accor d ance w ith tem p erat u re ?
2 . T ro ubl eshooting p roce du re
YE S
Ex change the in d oor PBA
YE S
Ex change the in d oor PBA
NO
NO
I s the sensor resistance v a lu e
#3-#4 an d #5-#6 10k ohm ±3% at the room
tem p erat u re o f 25
ఁ
YE S
D etach the assem bl e d sensor f rom the PBA sensor
connector an d meas u re the sensor resistance w ith
ohmmeter ( tester )
I s the connection o f p o w er ca bl e
an d comm u nication ca bl e norma l?
Sensor R e pl ace
Sensor resistance v a lu e : 20°C- 12 . 09k ohm
30°C - 8 . 31k ohm
35°C - 6 . 94k ohm
40°C- 5 . 83k ohm
C onnect the sensor to PBA connector (6p iin )
s upply p o w er an d meas u re the v o l tage o f #3-#4
an d #5-#6 in the connector
B e l o w 0 . 5V or Ov er 4 . 5V?
M icom error or connector chec k