| Problem |
Possible Cause |
Solution |
| Piezo ignitor does not produce spark. |
Spark electrode positioned wrong. |
Adjust spark gap and/or replace pilot assembly. |
| |
Igniter cable not connected to spark electrode. |
Connect cable to spark electrode. |
| |
Spark electrode broken. |
Replace pilot assembly. |
| |
Piezo igniter defective. |
Replace piezo igniter. |
| Piezo igniter produces spark at the electrode, but no pilot ignition. |
Gas supply turned off. |
Check that gas is connected properly. Open valve and purge air from hose if using remote tank. |
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Control knob not depressed while in PILOT position. |
Depress control knob while in PILOT position and hold down for 3 to 6 seconds. |
| |
Pilot tube is clogged. |
Clean pilot tube using q-tip with alcohol. Run 2” to bottom of pilot tube & twist around. Blow out. |
| |
Regulator defective. |
Replace regulator. |
| Pilot lights but flame goes out immediately when control knob is released. |
Control knob not depressed long enough. |
After pilot is lit, keep control knob depressed for 30-60 seconds. |
| |
Pilot flame not touching thermocouple. |
Clean pilot tube using q-tip with alcohol. Run 2” to bottom of pilot tube & twist around. Blow out. |
| |
Thermocouple connection loose at control valve. |
Hand tight until snug, then 1/4 turn with wrench. |
| |
Tip switch connections broken or disconnected. |
Clean electrical contact at control valve. Reconnect tip switch wires. |
| |
Control knob is stripped. |
Remove knob and verify 2 flats that mate to control valve stem are not stripped. If stripped, replace knob. |
| |
Defective thermocouple. |
Replace pilot assembly. |
| |
Defective tip switch |
Replace tip switch. |
| |
Defective control valve. |
Replace control valve. |
| Pilot lights but flame goes out gradually when control knob is released. |
Control knob not depressed long enough. |
After pilot is lit, keep control knob depressed for 30-60 seconds. |
| |
Pilot flame not touching thermocouple. |
Clean pilot tube using q-tip with alcohol. Run 2” to bottom of pilot tube & twist around. Blow out. |
| |
Thermocouple connection loose at control valve. |
Hand tight until snug, then 1/4 turn with wrench. |
| |
Inlet gas pressure too low. |
Check/replace gas cylinder. |
| |
Defective regulator. |
Replace regulator. |
| Burner does not light after pilot is lit. |
Main burner orifice is blocked/clogged. |
Remove burner assembly. Clean main burner orifice with clean cloth or q-tip with alcohol. |
| |
Venturi tube is blocked. |
Remove burner assembly. Clean out venturi tube on back of burner with both a pipe cleaner and air pressure. |
| |
Inlet gas pressure is too low. |
Check/replace gas cylinder. |
| |
Control knob set between HI & LOW positions |
Turn control knob until it locks into desired setting. |
| |
Control knob is stripped. |
Remove knob and verify 2 flats that mate to control valve stem are not stripped. If stripped, replace knob. |
| |
Defective ceramic plate. |
Replace ceramic burner. |
| |
Defective regulator. |
Replace regulator. |
| Heater shuts off during operation |
Not enough fresh air available |
Provide ventilation per owner's manual. |
| |
Inlet gas pressure is too low. |
Check/replace gas cylinder. |
| |
Pilot tube has become blocked/clogged. |
Clean pilot tube using q-tip with alcohol. Run 2” to bottom of pilot tube & twist around. Blow out. |
| |
Tip switch has been activated due to bumping or moving. |
Level heater and re-light. |
| |
Oil contamination due to improper shutdown. |
Complete disassembly & cleaning of fuel lines with soap & water. Replace control valve & regulator. Purge supply hose. See owner's manual for proper shutdown when using remote tank or use fuel filter F273699. |
