
4.3.16
Replacing
the
PLC
Battery
WARNING:
Lithium
batteries
may
explode
or
catch
fire
if
damaged.
Do
not
recharge,
disassemble,
heat
above
100°C
(212°F),
incinerate,
or
puncture.
NOTE:
Disposal
of
lithium
batteries
must
be
done
in
accordance
with
federal,
state,
and
local
regulations.
Be
sure
to
consult
with
the
appropriate
regulatory
agencies
before
disposing
batteries.
NOTE:
Do
not
make
substitutions
for
the
battery.
The
Horner
XLt
PLC
uses
a
coin
lithium
battery
(P/N:
P2131
‐
1
‐
9002).
1.
Replacing
the
Battery
a.
Record
the
CYCLE
COUNT
from
the
STATUS
screen
for
use
later.
b.
Disconnect
all
power
from
sterilizer.
c.
Remove
the
PLC
from
the
sterilizer
(see
Section
4.3.11).
d.
Remove
the
4
screws
on
the
back
of
the
PLC
and
remove
the
back
cover.
e.
Remove
the
I/O
board
by
carefully
lifting
it
straight
up:
f.
Remove
the
old
battery.
It
may
require
a
small
flat
blade
screwdriver
to
lift
it
from
the
holder.
Be
careful
not
to
permanently
deform
the
battery
holder
tab.
g.
Dispose
of
the
battery
properly
per
the
above
note
on
disposal
regulations.
h.
Slide
the
new
battery
into
the
holder.
Make
sure
the
battery
is
inserted
with
the
proper
polarity.
The
top
tab
of
the
battery
holder
should
contact
the
positive
(+)
terminal
of
the
battery.
i.
Place
the
I/O
board
back
into
the
case
by
aligning
the
connector
and
carefully
pressing
straight
down.
j.
Place
the
back
cover
back
on
the
unit
and
tighten
all
four
(4)
screws.
Press
on
pins
with
thumb,
while
pulling
on
edges
of
the
I/O
board
Once
loosened,
hold
down
edge
of
bottom
PC
board
while
pulling
up
on
I/O
board
97
Summary of Contents for P2131
Page 121: ... THIS PAGE INTENTIONALLY LEFT BLANK 115 ...
Page 130: ...SECTION A APPENDIX 124 ...
Page 131: ...A 1 Swagelok Fitting Installation Instructions 125 ...
Page 135: ...A 2 PLC Data Sheet 129 ...
Page 141: ...A 3 VERIFY Product Information 135 ...
Page 147: ...A 4 WRS Pump Information 141 ...
Page 158: ...A 5 Vacuum Leak Test Troubleshooting Guide 152 ...