Lanair HI140 - Manual (Page 62)

SUPPLEMENTAL TROUBLESHOOTING
GUIDE CONTINUED
Symptom Possible Cause Corrective Action
7. Water in air system. 7. Clean air preheater and
drain water from system.
8. Combustion blower not
8. See flame adjustment
properly adjusted or Section 15, page 26.
defective. Replace blower.
9. Improper draft.
9. Check draft see page 10.
Make sure chimney is
properly installed.
10. Plugged heat exchanger,
10. Clean heater including
manifold, or chimney. chimney.
C. Burner fires, and then 1. Contaminated fuel supply. 1. Drain and clean fuel
fails on oil primary safety. (water/anti freeze/gear lube) supply tank.
2.
Improper draft 2. See B-9.
3. Plugged heat exchanger, 3. See B-10.
manifold, or chimney.
4. Wrong air pressure. 4. See flame adjustment
page 26.
5.
Wrong fuel pressure or 5. See flame adjustment
pressure fluctuating. page 26. See fuel piping
page 12.
6.
Improper combustion blower 6. See flame adjustment
setting, or blower is defective. page 26. See fuel piping
page 12.
7.
Oil primary/cad cell defective. 7. Test components/adjust
Cad cell improperly adjusted. cad cell/ clean Turbulator.
Dirty flame Turbulator.
D. Burner
1. Contaminated fuel supply 1. Drain and clean supply
or dirty fuel filter. tank. Clean filter.
Page 46