www.fas
-
elec.com
flashing alternately
er-on test.
Red flashing 1HZ
Recoverable failures:
Steady red light
Unrecoverable failure
closure
US no input voltage
BF/NS/ER
R
Green light is always
on
Connected
Green light flashing
1
HZ
Not connected:
Green and red off fla
shing alternately
Self-test: The device is undergoing a pow
er-on test.
Red light flashing
1H
Z
Connection timed out
Steady red light
IP
repeat
:
closure
US No input voltage or no IP address
US
Green
Input voltage is normal
Flashing red
low input voltage
(< 18 V)
UA
Green
The output voltage is normal
Flashing red
low output voltage
(< 18 V)
Red always on
No output voltage
(< 11 V)
PN Communication Protocol Module Status
LED
show
Features
SF/MS/R
UN
Closure
Works fine
Flashing
red
3s 1HZ
Bus start
Red always
on
System error
BF/NS/ER
R
Closure
Works fine
Flashing
red
2HZ
No data exchange
Red always
on
No configuration; or slow physical link; or no physical
link
US
Green
Input voltage is normal
Flashing
red
low input voltage
(< 18 V)
UA
Green
The output voltage is normal
Flashing
red
low output voltage
(< 18 V)
Red always
on
No output voltage
(< 11 V)
