Lanair HI320 - Manual (Page 61)

SUPPLEMENTAL TROUBLESHOOTING GUIDE
Chart #1
Symptom Possible Cause Corrective Action
A. Burner will not start.
1. Main power turned off, 1. Check disconnect.
or disconnected. Using a multi-meter
make sure you have
120 V at junction box.
2. Thermostat defective 2. Re-install thermostat.
Make sure thermostat
is installed properly
(See Page # 17).
3. Oil Primary defective or 3. Test oil primary, or
safety switch of oil primary. reset.
Chart #2 & #3
B. Burner attempts to fire,
1. Fuel supply low, or 1. Fill supply tank if low.
and has a poor flame, contaminated. Drain if contaminated.
or no flame.
2. Supply pump defective or 2. Test supply pump,
improperly installed. check fuel lines for
No fuel to the nozzle. suction leaks. Install
supply pump and
supply lines as per
page #11 to #13c.
3. Air regulator or air solenoid 3. Test air regulator, and
defective. solenoid, if defective
replace.
4. Ignition transformer 4. Test transformer should
defective. have 120 V input, and
10,000 V output (metal
case) 14,000 V (plastic
case).
5. Air preheater diaphragm 4. Clean air preheater
defective. and replace diaphragm.
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