Samsung AR12HSSDPWKNEE Service Manual page 81

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 off and download EEPROM data
(or. Insert the service EEPROM IC)
Restart after power off
Is the error appeared again?
Exchange the Outdoor PBA
Samsung Electronics
7-SEG DISPLAY
LED3
OTP errorEEPROM Data Error (Main Micom I nv Micom)
LED OFF
YES
E470 EEPROM Data Error (no data)
OTP errorEEPROM Data Error
E471
(Main Micom Inv Micom)
EEPROM Data Error (no data)
DB92-02866A
DB92-02867A
NO
Terminate the service
DESCRIPTION
MODEL "A"
CN501
CN202
10-25