Troubleshooting
34
│
Page
ERROR
CODES
The
units
are
self
diagnostic
for
safety
and
convenience
when
trouble
shooting.
If
there
is
a
problem
with
the
installation
or
the
unit,
depending
on
the
model
or
if
there
is
a
remote
controller
installed,
it
will
either
display
a
blinking
red
LED,
or
the
error
code
will
display
on
the
remote
controller
if
it
is
installed.
Consult
with
the
table
on
the
following
page
for
the
cause
of
each
error
code.
‐
Single
unit
installations
‐
Example:
If
your
unit
displays
the
“321”
error
code
(which
signifies
an
inlet
thermistor
failure)
Hydro
‐
Smart
115:
The
red
LED
on
the
computer
board
will
be
blinking
two
times.
If
the
remote
controller
9007666005
(TK
‐
RE02)
is
installed
:
“32”
will
display
on
the
screen
in
its
entirety.
Error
code
on
the remote
controller
9007666005
(TK
‐
RE02)
Error
code
on
the
computer
board
Red
LED
