Table of Contents
Advertisement
LED display on P.C. board
1. D501 (Red)
D501 goes on at the same time when the power supply is turned on.
(Goes on with operation of the main microprocessor)
D501 flashes with 1-second interval (every 0.5 second) : When there is no EEPROM or write-in error
D501 flashes with 10-seconds interval (every 5 second) : In DISP mode
D501 flashes with 2-seconds interval (every 1 second) : During setting of function exchange
2. D403 (Red)
D403 goes on when power is supplied to the remote controller. (ON in hardware)
3. D503 (Yellow): Indoor/Outdoor central control
D503 goes on for 5 seconds at the first half during communication with the central controller.
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
D504 goes on for 5 seconds at the first half during communication with remote controller.
(Header unit of group)
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)
5. D14 (Orange)
It flashes while receiving the serial signal from the outdoor unit. (Hardware)
6. D15 (Green)
It flashes while sending the serial signal to the outdoor unit. (Hardware)
(EEPROM)
– 54 –
FILE NO. SVM-16042
Advertisement
Table of Contents
