Care And Maintenance; Cleaning An/Or Replacing Air Filter - Payne PG8MAA Installation And Operating Instructions Manual

The control system also requires anearth ground f orproper
operation ofthe control and flame-sensing electrode.
The24-vcircuit c ontains anautomotive-type, 3-amp. fuse
located onthecontrol. (See F ig.25.) A nyshorts of the24-v
wiring during i nstallation, service, ormaintenance willcause this
fuse t oblow. If fuse r eplacement isrequired, use ONLY a3-amp.
fuse. The control LEDwill display status code 24when fuse
needs tobereplaced.
Proper instrumentation is required toservice electrical controls.
The control inthis furnace isequipped withaStatus Code L ED
(Light-Emitting Diode) to aidin installation, servicing, and
troubleshooting. It canbeviewed t hrough t hesight g lass i n
blower access door. T hefurnace control LEDis either O N
continuously, rapid f lashing, oracode c omposed of2 digits. The
first d igitisthe number ofshort flashes, thesecond digitisthe
number oflong flashes.
Foranexplanation ofstatus codes, refer toservice label located
onblower access door o rFig.45and the troubleshooting guide
which c an beobtained from your d istributor. The furnace control
willstore 1 status code f or72hrs.
See F ig. 4 9, a brief T roubleshooting Guide.
1.Toretrieve status code, proceed with the following:
NOTE: N Othermostat signal may bepresent atcontrol, and all
blower-OFF delays must becompleted.
a.Leave l15-vpower tofurnace turned on.
b.Remove outer access door.
c.Look i nto blower access door s ight glass forcurrent
LED status.
d.BRIEFLY remove insulated terminal wire from the
draft safeguard (DSS) switch u ntil LED goes o ut ( 1to
2sec), then reconnect it.
2.When a bove items h ave b een c ompleted, the LEDflashes
status code 4 times. Record thisstatus code forfurther
troubleshooting.
3.Component self-test will begin. R efer t o component
TEST s ection forcomplete test sequence.
4.Check LED status.
5.Refer to SERVICE label onfront o f theblower access
door f ormore i nformation.
6.Check LEDstatus. If noprevious faults i nhistory, control
willflash s tatus code 1 1.
7.If LEDstatus i ndicates proper o peration, RELEASE
BLOWER ACCESS DOOR SWITCH, reattach wire toR
terminal onfurnace control board, replace blower access
door, and replace burner access door.
2 mCare and Maintenance
Step
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
iniury, death and/or property damage.
Never store anything on, near, or in contact with the
furnace, such as:
1. Spray or aerosol cans, rags, brooms, dust mops, vacuum
cleaners, or other cleaning tools.
2. Soap powders, bleaches, waxes or other cleaning
compounds, plastic or plastic containers, gasoline, kerosene,
cigarette lighter fluid, dry cleaning fluids, or other volatile
fluids.
3. Paint thinners and other painting compounds, paper bags,
or other paper products.
For continuing high performance and to minimize possible
equipment failure, periodic maintenance must be performed on
this equipment. Consult your local dealer about proper frequency
of maintenance and the availability of a maintenance contract.
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal
iniury, death or property damage.
Turn off the gas and electrical supplies to the unit and install
lockout tag before performing any maintenance or service.
Follow the operating instructions on the label attached to
the furnace.
CARBON MONOXIDE POISONING AND FIRE
HAZARD
Failure to follow this warning could result in personal
iniury, death and/or property damage.
Never operate unit without a filter or with filter access door
removed.
CUT HAZARD
Failure to follow this caution may result in personal iniury.
Sheet metal parts may have sharp edges or burrs. Use care
and wear appropriate protective clothing, safety glasses and
gloves when handling parts and servicing furnaces.
The minimum maintenance on this furnace is as follows:
1. Check and clean air filter each month or more frequently if
required. Replace if torn.
2. Check blower motor and wheel for cleanliness each heating
and cooling season. Clean as necessary.
3. Check electrical connections for tightness and controls for
proper operation each heating season. Service as necessary.
4. Inspect burner compartment before each heating season for
rust, corrosion, soot or excessive dust. If necessary, have furnace
and burner serviced by a qualified service agency.
5. Inspect the vent pipe/vent system before each heating season
for rust, corrosion, water leakage, sagging pipes or broken
fittings. Have vent pipes/vent system serviced by a qualified
service agency.
6. Inspect any accessories attached to the furnace such as a
humidifier or electronic air cleaner. Perform any service or
maintenance to the accessories as recommended in the accessory
instructions.
CLEANING AND/OR REPLACING AIR FILTER
The air filter arrangement will vary depending on the application.
The filter is exterior to the furnace casing.
NOTE: If the filter has an airflow direction arrow, the arrow
must point towards the blower.
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