Power Supply Module Ready Led And Local Hmi Home Button Led - ABB RELION REX640 Operation Manual

Section 6
Troubleshooting
6.2.3
92
Warning indication
Comm. channel down
Settings mismatch
Protection comm.
ARC1 cont. light
ARC2 cont. light
ARC3 cont. light
ARC4 cont. light
RTD meas. warn.,slot D
RTD meas. warn.,slot C
mA output warn.,slot D
mA output warn.,slot C
Power supply module Ready LED and local HMI Home
button LED
Both power supply module Ready LED and LHMI Home button LED visualize the
self-supervision state of the relay.
Table 11:

Power supply module Ready LED and local HMI Home button LED

State Power supply module
Ready LED
Relay under normal Steady green
operation and LHMI
connected
Relay's IRF activated, HF blinking green
but communicates with
LHMI
Communication lost Steady green
between Relay and
LHMI, but no IRF
LHMI not running Steady green
normally or in start-up
initialization phase
Table continues on next page
Warning code
35
36
50
85
86
87
88
-54
-50
-24
-20
Table 11 shows how these states are indicated.
LHMI Home button
Steady green
HF blinking red
HF blinking green
HF blinking green
1MRS759118 A
Additional information
Redundant Ethernet (HSR/
PRP) communication
interrupted
Mismatch between parameter
settings and application
configuration
Error in protection
communication
A continuous light has been
detected on the ARC light input
1.
A continuous light has been
detected on the ARC light input
2.
A continuous light has been
detected on the ARC light input
3.
A continuous light has been
detected on the ARC light input
4.
Abnormal signal from sensor(s)
received in slot D
Abnormal signal from sensor(s)
received in slot C
Temporary error occurred in
RTD module located in slot D
Temporary error occurred in
RTD module located in slot C
Alarm acknowledged
N/A
N/A
N/A
N/A
REX640
Operation Manual