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 before calling for service.
For Insufficient Airflow:
Check for dirty air filter(s).
Check for blocked
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
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 flame 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
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.)
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