PG96MSA: Installation, Start-up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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(Light-Emitting Diode) and Major/Minor 3 digit codes to aid in
installation, servicing, and troubleshooting. Status codes can be viewed
at the sight glass in blower access door. The furnace control LED is
either ON continuously, rapid flashing, or a code composed of 2 digits.
The major status code is displayed on the LED indicator through the
door with the first digit being the number of short flashes and the second
digit being the number of long flashes. The major status code is
displayed in the first 2 digits of the display. The minor status code is
displayed in the third digit.
For an explanation of status codes, refer to service label located on
blower access door, or Fig. 59 and the troubleshooting guide scanning
the QR code or see Fig. 70 for a brief Troubleshooting Guide.
Retrieving Stored Fault Codes
The stored status code will not be erased from the control memory, if
115-V or 24-V power is interrupted. See the Service Label, Fig. 59 for
more information.
1. To retrieve the last 7 fault codes, proceed with the following:
NOTE: NO thermostat signal may be present at control, and all
blower-OFF delays must be completed.
a. Leave 115-V power to furnace turned on.
b. Remove outer access door.
c. Depress blower door switch to energize the control board.
d. Press menu/select button until (FLt) is displayed.
e. Press Next/Option button to cycle through the fault history.
Faults remain in memory for 72 hours of powered operation after
the last fault occurs. Faults may be manually cleared by selecting
(CLr) with the menu/select button.
CARE AND MAINTENANCE
For continuing high performance and to minimize possible furnace
failure, periodic maintenance must be performed on this furnace.
Consult your local dealer about proper frequency of maintenance and the
availability of a maintenance contract.
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
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 type may vary depending on the application or orientation.
The filter is external to the furnace casing. There are no provisions for an
internal filter with this furnace. See “Filter Arrangement” under the
“Installation” section of this manual.
CAUTION
!
SHOCK HAZARD
Failure to follow this caution could result in personal injury.
Do not tape or permanently allow the door switch to be bypassed.
Temporarily press the door switch with one hand while accessing the
service buttons with your other hand. Do not touch uninsulated
electrical components.
WARNING
!
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
Never store flammable or combustible materials 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. Exposure to these materials could lead to
corrosion of the heat exchangers.
WARNING
!
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal injury, death,
and/or property damage.
Turn off the gas and electrical supplies to the furnace and install lockout
tag before performing any maintenance or service. Follow the operating
instructions on the label attached to the furnace.
WARNING
!
CARBON MONOXIDE POISONING AND FIRE
HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
Never operate furnace without a filter or filtration device installed.
Never operate a furnace with filter or filtration device access doors
removed.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
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.
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