Troubleshooting
33
│
Page
‐
WATE
R
HEATER
‐
PROBLEM
SOLUTIONS
Unit
does
not
ignite
when
water
goes
through
the
unit.
Is
the
flow
rate
over
0.5
GPM?
(p.
28)
Check
for
reverse
connection
and
cross
connection.
If
you
use
the
remote
controller,
is
the
power
button
turned
on?
Check
if
the
inlet
temperature
is
too
high.
The
fan
motor
is
still
spinning
after
operation
has
stopped.
This
is
normal.
After
operation
has
stopped,
the
fan
motor
keeps
running
from
15
to
70
seconds
in
order
to
re
‐
ignite
quickly,
as
well
as
purge
all
the
exhaust
gas
out
of
the
flue.
Unit
sounds
abnormal
while
in
operation
Contact
Hydro
‐
Smart
.
‐
Re
m
o
te
control
ler
‐
(O
PTIONAL)
‐
Remote
controller
does
not
display
anything
when
the
power
button
is
turned
on.
Make
sure
the
unit
is
supplied
with
power.
Make
sure
the
connection
to
the
unit
is
correct.
(p.
22)
An
ERROR
code
is
displayed.
Please
see
p.
34
‐
36.
