Furuno IF-2550 Installation Manual page 20

LED Color
CR7 Yellow-green Blinks when data is
CR8 Yellow-green Blinks when data is
CR9 Yellow-green Blinks when data is
CR10 Yellow-green Blinks when data is
When the error occurs, the LED blinks as follows:
LED
CR5, CR2 ROM is not good
IN1 reception is not good
CR5, CR3 RAM is not good
IN2 reception is not good
CR5, CR4 Overflow
IN2 reception is not good
Function
CR17
received at the input
port IN2.
CR18
received at the input
port IN3.
CR19
transmitted to output
ports OUT1 to 4 .
CR20
transmitted to output
CR21
ports OUT5 to 8.
Status
LED Color
Yellow-green Check the alarm contact
Yellow-green Check the alarm contact
Yellow-green Check the alarm contact
Yellow-green Check the Local ACK
Yellow-green Check the Contact Signal.
Blinking Pattern
CR5: OFF/CR2: ON
CR5: ON/CR2: ON
CR5: OFF/CR3: ON
CR5: ON/CR3: ON
CR5: OFF/CR4: ON
CR5: ON/CR4: ON
18
Function
output 1.
output 2.
output 3.
contact output.