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9.2 Troubleshooting Trees
Part
Action/Question
Response
Burner
Blower
1. Check Air Shutter Setting. What is
the air shutter setting?
Correct settings are: 200B=7, 375B=6 and
500B=9.
Air
Compressor
1. See Air Compressor Maintenance
(Section 8.5.8) for testing air pressure.
Follow procedure in Section 8.5.8 for Air
Compressor Maintenance
Burner Motor 1. Verify the burner motor reset status.
In operational mode - Go to next
Action/Question
Popped up (thermally tripped) - Reset motor
by pressing in red button
2. Verify electrical connections to the
terminal strip from the burner motor
under the primary control
If connections are loose, frayed or missing,
repair and go to next Action/Question
3. Visually inspect the coupling and
blower wheel on the burner by flipping
back the transformer. Is everything tight
and free of interference?
Yes - Go to next Action/Question
No - Remedy the Issue or Replace
damage/worn parts
4. With burner unplugged, try to spin
the burner blower wheel.
Yes - Go to Next Component
No - Verify operational status by following
the steps in the Air Compressor
Maintenance in Section 8.5.8 starting with
section B of the Procedure. If okay, replace
burner motor
Burner Plug
1. Check the connections underneath
the burner plug casing (male end). Are
the connections tight and free of
damage?
Yes - Go to Next Action/Question
No - Repair connections
Damper Tee
/Manometer
1. Verify that the door swings freely.
What is the reading on the draft gauge
with the unit running? Is it 0 with the
probe removed. If not zero the gauge
per instructions in Section 5.3.
Between 0.03 and 0.07, then go to next
Component. Otherwise adjust the weight on
damper door. If still less than 0.03, then add
one piece of flue to exterior or add a draft
inducer. If greater than 0.07, add another
damper tee and adjust its weight.
Fuel Quality
1. If the oil in the tank is below 50°F,
allow for oil to warm or add filter band
heater.
Oil going through the pump should be at a
minimum of 50°F. This might require heat
tape or other methods of heating the fuel
2. Was fuel recently added?
Yes - Go to Next Action/Question
No - {Skip Next Action/Question}
3. What was in the recently added
Standard Mix - Go to Next