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Decimal Point Indicator Messages
Figure 25 shows the decimal point indicators located on the 7-segment display. DS1 and
DS2 correspond to Jack 6 and Jack 7, respectively. Refer to the following table for more
information.
Code
Description
DS1
ProLink6 Port A data will transmit to ProLink5
DS2
Heartbeat toggles on/off once per second
DS3
ProLink6 Port B data will transmit to ProLink5
Error Messages
The following table lists error codes that may be shown on the 7-segment display during
PLR operation. In each case, the error message E r r is shown first for five seconds followed
by one of the error codes.
Code
Description
o
o
o
Thermal error
i
d
Hardware ID error
h
r
d
PLR hardware error
P
L
6
Both ProLink6 ports are disconnected
•
A ProLink5 port is disconnected
•
A ProLink5 port is not configured for any
modules but is detecting a module on
that port
•
A ProLink5 port is configured for at least one
module but is not detecting a module on
that port
•
A ProLink5 port is configured for a chain
of modules with redundancy, but is not
detecting a ProLink5 master on the other end
P
L
5
of the ProLink5 chain (may be caused by
issues with the link or firmware)
•
A ProLink5 port is configured for a chain of
modules with redundancy but is detecting
a ProLink5 master on the other end of the
ProLink5 chain that is not configured to the
correct redundancy direction
•
A ProLink5 port is connected to a chain of
modules with redundancy but has
detected a larger or smaller number of
connected modules
d
h
F
Firmware hard fault
d
n
E
Firmware memory manage error
Diagnostics & Troubleshooting
26
DS1
DS2
Decimal point indicators
Figure 25: Indicators
Action
Lower sign temperature
or run PLR self-test to
verify hardware
Replace PLR
Replace PLR
Resolve ProLink6
connection issue or run
PLR self-test to
verify hardware
Resolve mismatch
between physical
ProLink5 connections and
the translation table
Replace PLR
Replace PLR
DS3
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Troubleshooting
