Toshiba MMW-AP0481CHQ-E Service Manual page 36

LED display of circuit board
1.D02 (Red)
• Lights up when the power is turned on (Microprocessor works)
• Blinks at 1-second intervals (0.5-second): No EEPROM, or writing trouble
• Blinks at 10-second intervals (5-second): No DISP mode
• Blinks at 2-second intervals (1-second): Function change being set (EEPROM)
2.D203 (Red): Remote controller communication
• Lights up for 5 seconds of first half : Group header unit is communicating with the remote controller
• Blinks at 0.2-second intervals (0.1-second) of later half : communication between group indoor header
and follower
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