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Combustion gases - Flue products must be analyzed and
compared to the unit specifications.
Problems detected during the inspection may make it
necessary to temporarily shut down the furnace until the
items can be repaired or replaced.
Instruct the homeowners to pay attention to their
furnace. Situations can arise between annual furnace
inspections that may result in unsafe operation. For
instance, items innocently stored next to the furnace may
obstruct the combustion air supply. This could cause
incomplete combustion and the production of carbon
monoxide gas.
Repair Parts List
The following repair parts are available through independent Allied Air dealers. When ordering parts, include the complete
furnace model number listed on the CSA International nameplate. All service must be performed by a licensed professional
installer (or equivalent), service agency, or gas supplier.
Cabinet Parts
•
Upper access panel
•
Blower panel
•
Top cap
Control Panel
•
Parts Transformer
•
Integrated control
•
Door interlock switch
•
Circuit breaker
Blower Parts
•
Blower wheel
•
Blower housing
•
Motor
•
Motor mounting frame
•
Motor capacitor
•
Blower housing cutoff plate
Page 34 of 34
LED Status
LED Off
LED On
1 Flash
2 Flashes
3 Flashes
4 Flashes
5 Flashes
6 Flashes
7 Flashes
8 Flashes
9 Flashes
Table 14. Diagnostic Codes
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 switch
•
Secondary limit
Issue 1809
Fault Description
No power to control or control hardware
fault detected
Normal operation
Flame Present with gas valve off
Pressure switch closed with inducer off
Pressure switch open with inducer on
High Limit switch open
Rollout switch open
Pressure switch cycle lockout
Lockout due to no ignition
Lockout due to too many flame dropouts
Incorrect line voltage phasing
507327-01
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