Troubleshooting - Aerotech BT 400-46 Installation And Operation Maintenance

Section 5
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5.67

Troubleshooting

5.68 A tabulation of troubleshooting is contained in Table 5-3. The table lists probable causes of and probable
remedies for correcting the malfunctions of the heater. The malfunctions and possible causes are listed in
the order in which they are most apt to occur. The troubleshooting procedures assume all operating
controls are properly set adjusted for the selected mode of operation.
Table 5-3
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TROUBLE PROBABLE CAUSE
1 Engine will not turn
over
2 Engine turns over but
fails to start or starts
then stops
3 Engine stops
suddenly
4 Burner fails to ignite
5 Burner ignites by
itself
• Troubleshooting
• Troubleshooting Chart
1. Battery cables loose or not connected
2. Exhausted battery.
3. Defective starter.
1. Cold weather below 5°F (-15° C).
2. Insufficient fuel supply.
3. Clogged filter.
4. Fuel return check valve dirty.
5. Faulty fuel pump.
6. V-belt slipping
7. Engine fault
1. Fuel tank empty.
2. Contaminated fuel.
3. Incorrect fuel supply.
1. Insufficient fuel supply.
2. Defective fuel pump.
3. Fuel pump pulley slipping.
4. Defective burner control valve.
5. Defective coil.
6. Defective ignition cable.
7. Defective igniter plug.
8. Fuel nozzle dirty or defective.
1. Defective burner control valve.
AEROTECH HERMAN NELSON INTERNATIONAL INC.
100 Eagle Drive, Winnipeg, Manitoba Canada R2R 1V5
Phone: 204-633-1999 (24 Hours) Fax: 204-694-1612 Email:
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37
www.hermannelson.com New Items Added Weekly
12.18.07 REVISION 1.02
REMEDY
Connect battery cables or tighten
Replace with serviceable battery.
Replace starter.
Refer to paragraph 4.34.
Fill tank with appropriate fuel.
Replace filter.
Clean or replace check valve.
Check fuel pump paragraph 5.56.
Adjust v-belt.
Refer to engine supplement
Fill fuel tank with appropriate fuel
Drain and flush tank.
Drain and flush tank.
Refer to trouble 2 probable causes
2 and 3
Check fuel pump paragraph causes
2 and 3
Tighten set screen on pulley.
Replace burner control valve.
Replace with serviceable coil.
Replace cable paragraph 5.46.
Adjust igniter paragraph 5.50 or
replace.
Clean nozzle or replace.
Replace burner control valve
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