80
SAMSUNG ELECTRONICS
9-2-8 EEPROM error/OTP error
Indoor display
7 SEG DISPLAY
DESCRIPTION
C470
EEPROM Data Error (no data)
C471
OTP error EEPROM Data Error
(Main Micom <-> Inv Micom)
Outdoor display
EEPROM Data Error (no data)
OTP error EEPROM Data Error (Main Micom <-> Inv Micom)
: LAMP ON
: LAMP OFF
: LAMP BLINK
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?
NO
YES
Terminate the service
Exchange the Outdoor PBA
Summary of Contents for AR07TXCAAWKNEU
Page 49: ...49 SAMSUNG ELECTRONICS 5 2 ASSY KIT CODE DB92 04839Q ...
Page 50: ...50 SAMSUNG ELECTRONICS 5 3 ASSY KIT CODE DB92 04839Q ...
Page 59: ...59 SAMSUNG ELECTRONICS 6 Wiring Diagram 6 1 Indoor Unit CODE DB68 08680A 01 ...
Page 61: ...61 SAMSUNG ELECTRONICS 7 PCB Diagram 7 1 Indoor Main PCB DB92 04839A ...
Page 62: ...62 SAMSUNG ELECTRONICS 7 2 Outdoor PCB DB92 04837A ...
Page 63: ...63 SAMSUNG ELECTRONICS ...
Page 67: ...67 SAMSUNG ELECTRONICS 8 5 DISPLAY PCB DB92 04833B ...