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LED display of circuit board
(1) D501 (Red)
• Lights up when the power is turned on (Microcomputer works)
• Blinks at 1-second intervals (0.5-second): No EEPROM, or writing error
• Blinks at 10-second intervals (5-second): During DISP mode
• Blinks at 2-second intervals (1-second): Function change being set (EEPROM)
(2) D403 (Red)
• Lights up (on hardware) when the power is supplied to the remote controller
(3) D503 (Yellow): Indoor / Outdoor central control
• Lights up for the first half 5 seconds while communicating with a central control device
• Blinks for the second half 5 seconds at 0.2-second intervals (0.1-second) while communicating with the
outdoor unit
(4) D504 (Green): Remote controller communication
• The group header unit lights up for the first half 5 seconds while communicating with the remote controller
• Blinks for the second half 5 seconds at 0.2-second intervals (0.1-second) during communication between
group indoor header and follower
Summary of Contents for MD-VNK802HEXE
Page 120: ...118 11Owner s Manual Excerpt ...
Page 137: ...135 12Installation Manual Excerpt ...