9-9
9-2-8 EEPROM error / OTP error
Indoor display
7-SEG DISPLAY DESCRIPTION
C470 EEPROM Data Error (no data)
C471
OTP errorEEPROM Data Error
(Main Micom Inv Micom)
Outdoor display
EEPROM Data Error (no data)
OTP errorEEPROM Data Error (Main MicomInv Micom)
LED ON
LED BLINKING
LED OFF
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
NO
YES
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
Terminate the service
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