– 54 –
FILE NO. SVM-13085
LED display on P.C. board
1. D501 (Red)
s
D501 goes on at the same time when the power supply is turned on.
(Goes on with operation of the main microprocessor)
s
D501 flashes with 1-second interval (every 0.5 second) : When there is no EEPROM or write-in error
s
D501 flashes with 10-seconds interval (every 5 second) : In DISP mode
s
D501 flashes with 2-seconds interval (every 1 second) : During setting of function exchange
(EEPROM)
2. D403 (Red)
s
D403 goes on when power is supplied to the remote controller. (ON in hardware)
3. D503 (Yellow): Indoor/Outdoor central control
s
D503 goes on for 5 seconds at the first half during communication with the central controller.
s
D503 flashes for 5 seconds with 0.2-second interval at the latter half during communication with
outdoor unit. (Goes on for 0.1 second, goes off for 0.1 second)
4. D504 (Green): Remote controller communication
s
D504 goes on for 5 seconds at the first half during communication with remote controller.
5. D14 (Orange)
s
It flashes while receiving the serial signal from the outdoor unit. (Hardware)
(Header unit of group)
s
In the group indoor unit, D504 flashes for 5 seconds with 0.2-second interval at the latter half during
communication between header and follower unit. (Goes on for 0.1 second, goes off for 0.1 second)
6. D15 (Green)
s
It flashes while sending the serial signal to the outdoor unit. (Hardware)
SVM-13085.indb 54
SVM-13085.indb 54
12/24/13 10:56 AM
12/24/13 10:56 AM
