Westermo FD-20 - Manual (Page 29)

29 6630-2220
7.3 LED error indication
PWR
Off
On
On
On
On – –
Flashing
(2 Hz)
– – –
On –
On
while
receive
frame
Off – – Off
– – – – –
Flashing
(2 Hz)
Off
On
while
receive
frame
– –
Flash
after a
received
frame
–
– – – –
Flashing
(2 Hz)
–
– – – – – –
TD RD RUN DIAG CONF BA Error / Action(s)
No power supply or internal
failure / Connect power
supply
Failed PROFIBUS DP
initiation / Return product
to manufacturer
PROFIBUS DP error, such as
a bus short circuit or inter-
rupt of bus or supply to any
slave /
• Check the bus cables,
supply of the slaves etc.
• Set to configuration mode
and use the SyCon ®
diagnostics functions to
find the error
Incorrect data received, or
PROFIBUS DP error /
• Incorrect serial data setting
or address (if addressed
mode)
• Check bus cables, power
supply of slaves etc.
• Set to configuration mode
and use the SyCon ®
diagnostics functions to
find the error
• No stored configuration
• Configuration exceed max
allowed data length /
New Master configuration
by SyCon
®
The received serial data
length
≠
slaves output data
length (defined by configura-
tion tool) / Modify remote
fieldbus adapter
configuration, or
Modify FD-20 configuration