Samsung AR09NXFSPWKNEE Service Manual page 79

10-2-21 EEPROM error/OTP error
Indoor display
3-LED DISPLAY
LED1 LED2
Outdoor display
LED ON LED BLINKING
1. Checklist :
1) Is there a short around micom?
2) Is there a short around "A"?
3) Did you download or insert EEPROM IC, after changing outdoor PBA?
2. Troubleshooting procedure
power o and download EEPROM data
(or. Insert the service EEPROM IC)
Restart after power o
Is the error appeared again?
Exchange the Outdoor PBA
Samsung Electronics
LED3
LED OFF
YES
7-SEG DISPLAY
E470
E471
EEPROM Data Error (no data)
OTP errorEEPROM Data Error (Main Micom Inv Micom)
NO
Terminate the service
DESCRIPTION
EEPROM Data Error (no data)
OTP errorEEPROM Data Error
(Main Micom Inv Micom)
MODEL "A"
DB92-02866A CN501
DB92-02867A CN202
10-25