Eeprom Error/Otp Error - Samsung AR09RXPXBWKNEU Service Manual

10-2-8 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?
YES
Exchange the Outdoor PBA
7-SEG DISPLAY
LED3
E470
◎
E471
◎
OTP errorEEPROM Data Error (Main MicomInv Micom)
LED OFF
NO
100
DESCRIPTION
EEPROM Data Error (no data)
OTP errorEEPROM Data Error
(Main Micom Inv Micom)
EEPROM Data Error (no data)
Terminate the service