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BEFORE YOU CALL FOR SERVICE,
CHECK FOR SEVERAL EASILY-SOLVED
PROBLEMS
If insuilicient heating or cooling is suspected:
( ) Check for sul_cient airflow. Check the air filter for dirt.
Check for blocked return-air or supply-air gitles. Be sure
they are open and unobstructed. If these checks do not re-
veal the cause, call your servicing dealer.
If your unit is not operating at all, check the t\_ltowing list
t\_r easy solutions:
( ) Check to be sure that your thermostat temperature se-
lector is set above the indoor temperature during the heating
season, or below the indoor temperature during the cooling
season. Be sure the system switch is in the proper HEAT or
COOL position and not in the OFF position.
( ) Is the electrical supply switch ON'?Are any fuses blo,am,
or has the circuit breaker tripped?
( ) During the heating season, check the external manual
shutoff valve. Is this lever parallel with the pipe, indicating
that the valve is open? Or is the lever at a right angle,
indicating that the valve is closed? If closed, has the gas been
shut off for safety reasons? Otherwise, you may open the
valve and follow the start-up procedures listed in this manual.
NOTE: Before proceeding with the next check, turn OFF
the gas supply, then the electrical power supply to the unit.
Remove the control access door.
( ) During the heating season, check the control dial on the
internal gas valve. Is it in the ON position? If it is not, be
sure it was not turned off for the purpose of safety. If no
safety hazards exist, follow the start-up procedures in this
manual.
( ) If your unit still tails to operate, call your servicing dealer
t\_rtroubleshooting and repairs. Specii_ the model and serial
nmnbers of your unit. (Record them in this manual in the
space provided.) If the dealer kalows exactly which unit you
have, he may be able to offer suggestions over the phone, or
save valuable time through kalowledgeabte preparation for
the service call.
IN CASE OF TROUBLE
If after pert\_rming the above and unit performance is still
unsatisfactory, shut off the unit and call your dealer.
Dealer's Name
Telephone
Unit Model
Unit Serial Number
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