Lanair HI320 - Manual (Page 57)

Section 17 Trouble Shooting Flow Chart #3
Caution: Hazard of Electrical Shock
Symptoms:
1. Burner attempts to fire.
2. Poor flame.
3. No flame established.
4. Correct fuel output (see sec. 17, 17.1).
5. Oil Primary may lock out.
Note: Disable air operated fuel valve. Adjust burner air filter regulator to -0- PSI.
Look in inspection port at rear of burner.
Wear eye and face protection. Start
burner, do electrodes have spark? No
Are electrodes grounding out?
Yes No
Remove electrodes Is there voltage
clean or replace (115V) to the ignition
see sec. 16.5. transformer?
Yes Yes No
Replace the ignition Check for loose
transformer. wire connections.
Is the combustion air blower working?
No Is there voltage (115V) to the
combustion air blower motor?
Yes Yes No
Replace combustion Check for loose
air blower motor. wire connections.
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Yes