Specifications
SECTION
M
TROUBLESHOOTING GUIDE
Should
symptoms
appear during
the
operation
of
your heater,
refer
to the
chart below,
If you are
unable
to
restore
normal
operation, contact
your
MPI
dealer
for
service.
SYMPTOM
CAUSE
Heater does
not go on
with
operation switch.
Timer
is in
Auto.
AC
cord
is
disconnected
from
wall outlet. Power
failure.
Out of
fuel.
Igniter Failure.
Water
in
fuel.
Clogged
fuel strainer.
Heater
extinguishes after
lighting.
Air
pocket
in
fuel
line.
Out of
fuel.
Erratic
changes
in
room
temperature.
(Slight
differences
in
room
temperature
are
normal.)
Poor
location
of
heat sensor.
Poor
air
movement.
Automatic timer does
not
start
heater.
Operation
switch
is not
in
the
"ON" position.
Timer
is in
Manual.
Timer
improperly
programmed.
Power
interruption.
Flame
does
not
reach
normal size.
Heater
is not
level.
REMEDY
Press Auto
Button
again.
Check plug
and
power source.
Reset
circuit
breaker.
Press
the
fuel
set
lever
at the
lower
right hand side
of the
cabinet.
Call
your
MPI
Dealer
for
Inspection
and/or Replacement.
Refill
with
fresh kerosene.
Section
L.
Note:
If
strainer
is
severely
clogged,
contact
your
Monitor
dealer
to
check
and
clean
the
inside
of
constant
level
valve
and
pump
screen.
Clean fuel strainer.
See
"Care
of the
heater"
Section
L.
Press
fuel
set
lever
on
lower right hand
side
of the
cabinet
and
release
slowly
2
or 3
times.
See
"Empty Fuel Tank" Section
E.
Relocate
the
sensor.
Make sure clearances
are
kept around
unit.
Add
room fans
to
better circulate
air
throughout area.
Depress
operation button
to
"ON"
position.
Press
Auto Button.
See
"Programming
for
Automatic
Opearation"
Section
J.
See
"Loss
of
Power", Section
K.
Check level.
Poor
flame, sounds
of
combustion,
soot
at the
rear
of the
heater.
Loose
flue pipe.
Allow
heater
to
cool completely;
tighten
all
connections.
Soot
on
inside
of
burner
window
or
exhaust ports
of
flue pipe.
Obstruction
of
combustion
air
intake system
or
combustion
fan
failure.
Inspect
air
intake system
and air
supply elbow
for
blockage. Clean with
a
brush.if
necessary,
and
carefully
reconnect.
Heater
switches
from
automatic
to
manual
operation:
display
window
shows
88 - 88.
Power
interruption; automatic reset.
See
"Loss
of
Power",
Section
K.
NOTE:Several
of the
symptoms
mentioned
above
may
also
be
signs
that
your
unit
is due for
routine
maintenance,
especially
if it is
several
years
old.
Contact
your
Monitor
dealer
for an
appointment.
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