Page
72
of
83
System
Router
Symptom
Cause
Actions
No
connectivity
to
receiver
Router
has
not
been
authorized
to
the
receiver
Manually
authorize
router
to
receiver
or
use
auto
‐
commissioning
No
radio
connection
Check
aerial
on
receiver
Check
aerial
on
router
Receiver
not
switched
on
Switch
receiver
on
Router
not
switched
on
Switch
router
on
Incorrect
supply
polarity
Check
supply
polarity
Router
fuse
Check
router
fuse
is
OK,
replace
if
necessary
Router
appears
in
"Unknown"
category
in
CMS
when
commissioning
Router
has
joined
network
but
has
yet
to
pass
configuration
data
to
the
receiver
None
‐
normal
operation
Router
stays
in
"Unknown"
category
in
CMS
when
commissioning
for
more
than
3
minutes
Router
hardware
error
Check
router
options
fitted
(thermistor,
RH&T
element)
Router
connects
directly
to
the
receiver,
even
though
there's
a
router
between
them
Normal.
An
router
will
ALWAYS
join
a
network
using
the
least
number
of
"hops"
to
the
receiver.
None
‐
normal
operation.
The
router
will
re
‐
join
the
network
via
the
other
router
if
it
loses
its
direct
path
to
the
receiver
Only
4
routers
connect
directly
to
my
receiver
Normal.
The
maximum
number
of
directly
connected
routers
a
receiver
will
allow
is
4,
if
there
are
12
directly
connected
EDs
None
‐
normal
operation
Only
8
routers
connect
directly
to
my
router
Normal.
The
maximum
number
of
directly
connected
routers
a
router
will
allow
is
8
if
there
are
8
directly
connected
EDs
None
‐
normal
operation
