SECTION
G
PROTECTIVE FEATURES
LOSS
OF
POWER-AUTOMATIC RESET:
NOJE:lf power
to the
heater
is
interrupted,
a
thud-like
noise
may be
heard
in the
combustion chamber.
This
is
normal,
and
should
not
cause alarm.
For
power
interruptions
of up to 30
minutes,
the
set
memory
is
kept
and
will
resume operation
automatically
with
the set
memory.
For
power interruptions beyond
30
minutes,
if
your
heater
was in
MANUAL operation before
the
power
interruption,
it
will
resume operation
(after
a 3
minute cool down period)
in the
y\ANUAL
mode
and
maintain room temperature
at the
last manually
selected
and set
temperature.
In the
case
of
AUTOMATIC
operation before
the
power
interruption,
the
heater
will
resume operation
at a
reset
temperature
of 60° F.
When
the
heater resumes operation,
The
Display
Window
will show 88:88 indicating
the
need
to
reset
the
clock
and the day of the
week
tor
automatic operation.
CHILD LOCK:
NOTE:The
CHILD LOCK
will
help
to
prevent accidental
operation
as
well
as
small
children
from
altering
controls.
To
operate
the
CHILD
LOCK
simply
hold
the
"CHILD
LOCK"
Button
down
for 3
seconds,
or
until
you
hear
two
short
beeps.
The
function
is
activated immediately
and the
"CHILD
LOCK"
Light
will
illuminate.
To
deactivate
the
CHILD
LOCK
simply
hold
the
"CHILD
LOCK" Burton down
for 3
seconds,
or
until
you
hear
two
short beeps.
The
"CHILD
LOCK" Light will
go
out.
The
lock
can be
deactivated
at any
time
in
this
way.
During normal operation
the
CHILD LOCK
may be
activated
and all
controls
other than
the OFF
switch
will
be
locked. Deactivating
the
lock releases
the
controls.
If
the
lock
is
activated
while
the
heater
is
turned OFF, then
all
functions
will
be
locked.
If the
heater
is
Turned
OFF
while
the
CHILD
LOCK
is
activated,
it
cannot
be
turned
ON
again
until
the
lock
is
deactivated.
OVERHEAT PREVENTION
If
your heater overheats,
a
thermostatic
switch
will
automatically
stop
the
flow
of
gas,
and
extinguish
the
flame.
The
Display
Window
shows
"E
17".
Restore heater
operation
by
following
the
steps
below
NOTE:Other
symptoms listed
in the
trouble
shooting chart
may
cause
the
display window
to
show
"E
17".
besides
an
overheat situation.
Step
1:
Turn
the
Heater
Off
Press
the
Operation
Button
to put it in the
"Off"
position.
Step
2:
Allow
the
Heater
to
Cool
Wait
approximately
30 to 45
minutes
for the
heater
to
cool
completely.
Step
3:
Unplug
the
Heater
from
the
Wall
Outlet.
Step
4:
Remove Obstructions
The
overheated
condition
may be
caused
by
obstructions
blocking
the air
flow
to the
heater
.
Check:
•
The
front
of the
heater
• The
circulation
fan (on the
back
of the
heater).
•
The
flue
pipe
(outside)
Step
5:
Remove
Front
Cover
and
Grill
Assys
Remove
the
screws
from
each
side
of the
cabinet
securing
the
Front
Cover.
Carefully
remove
the
Front
Cover.
Remove
the
7
screws,(three
on
each
side
and one in the
center)
securing
the
Grill
Assembly
to the
heater. Remove
the
Grill
Assembly.
Remove
any
accumulation
of
dust
or
other
matter
that
may
be
covering
the
burn
chamber
and the
heat
exchangers
inside
the
heater.
step
6:Replace
the
Front
Cover
and
Grill
Assemblies
Step
7:
Plug
in the
Heater
Step
8:
Re-program
the
Healer
Step
9:
Turn
Heater
On
/\
CAUTION:
If the
unit overheats
a
second time,
turn
it off and
contact your
MPI
dealer
lor
service.
'ELECTRICAL
FUSE
In the
unlikely
event
of a
failure
in the
heater's
electrical
system,
a
fuse
will
"blow"
and
interrupt
the
power.
Do not
attempt
to
change
the
fuse.
Contact
your
MPI
dealer
for the
name
of a
trained
and
certified
service
representative
in
your
area.
NO
TE:
Using
a
surge protector
can
minimize
the
chances
of
a
blown fuse caused
by
power surges.
21
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