Troubleshooting guide

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Before using the Fan/Limit Flow chart, verify that the #2 switch is functioning
correctly. The 2 orange wires must be making contact through the switch.
NOTE: The Room Air Fan (Convection Blower) is wired independently from the
Control Board. Keep in mind when troubleshooting this area of the furnace that
replacing the Control Board will not fix any issues related to the Blower and
Fan/Limit Control.
NOTE: A dirty Filter may cause the furnace to run hotter and may contribute to the
unit shutting down. Check the filter and replace if needed.
Rotation Motor Switch – Adjustment (#1 Switch, see Figure 14)