Bryant 355MAV Furnace User Manual


 
11
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 fur-
nace fails to start.
Check thermostat for proper tem-
perature. Is thermostat set above room
temperature?
Is thermostat set to 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 start-up procedures
if you must reset switch to ON posi-
tion.)
Check manual reset ame rollout
switch located on the burner box in
combustion area. (See Fig. 3 or 4.) If
furnace has experienced high tempera-
ture 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 ser-
vice. See Shutting Down Your Fur-
nace section in this manual.
Check for obstructions around the
vent termination outside the structure.
If your furnace still fails to operate, call
your service representative.
For your convenience, record the fur-
nace product and serial numbers on
back page. Should you ever require ser-
vice, 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 home-
owner while installing or servicing the
unit. The LED code can be seen by
removing the access door and viewing
LED through the view port in the
blower access panel.