Ice AP902, Instruction Manual, Page: 10 / 35

Instruction manual – AP902 Arc Protection Unit 10 (35
)
A1008B
3.2 LED O
PERATION
Q
UICK
G
UIDE
LED OFF STEADY
ON
BLINKING ACTION IF ABNORMAL
POWER
Blue
Auxiliary supply
disconnected Auxiliary power
connected N/A Check the power source
ERROR
Red
System healthy System failure Configuration
mismatch.
Protection partly
operational Verify system condition. see chapters 11:
Troubleshooting guide and 5:
System self-
supervision
T1,T3,T4
Red Normal status Trip relays
T1,T3,T4
activated N/A Check the reason for trip. Clear the fault and reset
indications by pushing SET button
T2, T4
Red
Normal status Trip relays T2,
T4 activated N/A Check the reason for trip. Clear the fault and reset
indications by pushing SET button
S1
Amber Normal status Fiber sensor
channel
activated Fiber sensor drops
off or system set-
up not performed Check why sensor activated or check the sensor
continuity or perform system set-up (see
chapter:3.3.1 Auto configuration (system setup)
S2
Amber
Normal status Fiber sensor
channel
activated Fiber sensor drops
off or system set-
up not performed Check why sensor activated or check the sensor
continuity or perform system set-up (see
chapter:3.3.1 Auto configuration (system setup)
S3
Amber Normal status Fiber sensor
channel
activated Fiber sensor drops
off or system set-
up not performed Check why sensor activated or check the sensor
continuity or perform system set-up (see
chapter:3.3.1 Auto configuration (system setup)
QD
Amber Normal status Quenching
Device channel
activated Fiber connection
to quenching
system drops off
or system set-up
not performed Check the fiber connection and/or the system
configuration.
BI1
Amber
Normal status Binary input 1
activated Binary input 1
loose connection Check the binary input wiring.
BI2
Amber
Normal status Binary input 2
activated Binary input 2
loose connection Check the binary input wiring.
BO1
Amber Normal status Binary Output
activated N/A
Table 3-1: LED operation quick guide