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BEFORE
YOU REQUEST
A
SERVICE
CALL
If your furnace
is not operating
or not performing
properly,
you
may save the expense
of a service call by checking
a few things
yourself
befnre
calling
for service.
For Insufficient
Airflow:
•
Check fnr dirty air filter(s).
•
Check for blocked
return-air
or supply-air
grilles
throughout
your home. Ensure
they are open and
unobstructed.
If problem
still exists, call your dealer for service.
If Furnace
Fails to Operate:
Follow this checklist
step by step. advancing
to the next step only
if furnace
fails to start.
•
Check thermostat
for proper
temperature.
Is thermostat
set above room temperature'?
•
Is thermostat
set on HEAT?
•
Check fuses and circuit breakers.
Is electrical
supply
on?
•
Is manual
shutoff valve in gas supply pipe in open
position?
(Follow
start-up
procedures
if you open gas
valve.)
NOTE:
Turn off electrical
supply before continuing
with
checklist.
•
Is control switch on gas valve in ON position?
(Follow
startup procedures
if you must reset switch to ON
position.)
•
Check manual
reset flanm rollout switch
located on the
burner
box.
If furnace
has experienced
high
temperature
conditions,
this switch will shut off the
furnace.
Reset it by pushing
the button on the switch.
If
it trips again, shut down the furnace
and call for
service.
See "Shutting
Down Your Furnace"
section in
this manual.
•
Check for obstructions
around
the vent termination
outside
the structure.
If the furnace
still fails to operate,
call your service representative.
For your
convenience,
record
the
furnace
product
and
serial
numbers
on back page. Should
you ever require service,
you will
have
ready
access
to the
information
needed
by your
service
representative.
This
furnace
has
a light-emitting-diode
(LED)
status
code
display
to aid the installer,
service
technician,
or homeowner
while installing
or servicing
the unit. The LED code can be seen
by removing
the
main
furnace
door
and
viewing
the
LED
through
the view port in the blower
access panel.
(See Fig. 2.)
13
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