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Repair Parts List
The following repair parts are available through Allied Air distributors. When ordering parts, include the complete furnace
model number listed on the nameplate. All service must be performed by a licensed professional installer (or equivalent),
service agency, or gas supplier.
Cabinet Parts
•
Heating Compartment Access Panel
•
Blower Access Panel
•
Top Cap
Control Panel Parts
•
Transformer
•
Integrated Control Board
•
Door Interlock Switch
•
Circuit Breaker
Blower Parts
•
Blower Wheel
•
Motor
•
Motor Mounting Frame
•
Blower Housing Cut Off Plate
•
Power Choke (1 HP only)
Integrated Control Diagnostic Codes
Press the diagnostic push button and hold it to cycle
through a menu of options. Every five seconds a new
menu item will be displayed.
Release the button when the desired mode is displayed.
When a solid "P" is displayed, the furnace capacity/ size is
programmed.
Code
Diagnostic Codes / Status of Equipment
Idle mode (Decimal blinks at 1 Hertz - 0.5 seconds ON, 0.5
seconds OFF).
Cubic feet per minute (cfm) setting for indoor blower (1 second
A
ON, 0.5 seconds OFF) / cfm setting for current mode displayed.
Cooling stage (1 second ON, 0.5 seconds OFF) / 1 or 2
C
displayed / Pause / cfm setting displayed / Pause / Repeat
codes.
Dehumidification mode (1 second ON, 1 second OFF) / cfm
d
setting displayed / Pause / Repeat codes.
Heat pump stage (1 second ON, 0.5 seconds OFF) / % of input
h
rate displayed / Pause / cfm setting / Pause / Repeat codes.
Gas Heat stage (1 second ON, 0.5 seconds OFF) / 1 or 2
H
displayed / Pause / cfm setting displayed / Pause / Repeat
codes. Blinking during ignition.
dF
Defrost mode.
Page 58 of 73
Heating Parts
•
Flame Sensor
•
Heat Exchanger Assembly
•
Gas Manifold
•
Combustion Air Inducer
•
Gas Valve
•
Main Burner Cluster
•
Main Burner Orifices
•
Pressure Switch
•
Ignitor
•
Primary Limit Control
•
Flame Rollout Switches
When the solid "E" is displayed, the control enters the Error
Code Recall mode. Error Code Recall mode menu options:
No change (displaying error history) remains in Error Code
Recall mode; solid "b" exits Error Code Recall mode; and
solid "c" clears the error history. Must press button while
flashing "c" is displayed to clear error codes.
When the solid "-" is displayed, the control enters the Field
Test mode. Field Test mode menu options: Solid "C" starts
pressure switch calibration; blinking "-" exits Field Test
mode.
Action Required to Clear and Recover
Issue 2241
507029-05
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