Ac Zero Cross Signal Error - Samsung AR09KSWSJWKNCV Service Manual

10-2-26 AC zero cross signal error

Indoor display
3-LED DISPLAY
LED1 LED2
◎
Outdoor display
LED ON LED BLINKING
◎
1. Checklist :
1) Check the power condition at customer's house (Is there any power noise?)
2) Have been there power failure?
2. Troubleshooting procedure
Is the AC line zero cross signal error appeared again?
Exchange the Outdoor PBA
10-32
LED3
◎
◎
LED OFF
Restart after power off
YES
7-SEG DISPLAY
E472
AC zero cross signal error
NO
DESCRIPTION
AC zero cross signal error
MODEL
AR12(09)HSFSHWK
AR18HSFSHWK
AR24HSFSHWK
Terminate the service
Samsung Electronics
Error display
X
O
O