3 led error indication – Westermo FD-20 User Manual
Page 29
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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