ENG
5. Electronic Board
5.1 LED Indicators Layout
The following drawing illustrates the layout of the LED indicators of the electronic board:
The following table illustrates the meaning of the LED indicators of the electronic board:
LED no.
Colour
1
GREEN
2
GREEN
3
RED
4
AMBER
5
AMBER
Meaning
POWER LED
- ON if the controller is powered
- OFF if the controller is not powered
LED RUN
- ON if the regulation is active
- OFF if the regulation is not active
ALARM LED
- ON if one manual reset alarm is active
- BLINK if an automatic reset alarm is active
- OFF if no alarm is active
INTRABUS LED
- ON if a non-functioning Sequencing communication is in progress between two air conditioners
- BLINK if a Sequencing communication is in progress between two air conditioners
- OFF if no Sequencing communication is in progress
RS-485 LED
- BLINK if an RS-485 communication is in progress
- OFF if no communication is in progress
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