TROUBLE SHOOTING CHART - MAIN BURNER
SYMPTOM |
| POSSIBLE CAUSES |
| CORRECTIVE ACTION | ||
Flame too large | 1. | Defective operator section of gas valve. | 1. | Replace complete valve. |
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| 2. | Burner orifice too large. | 2. | Check with local gas company for | ||
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| proper orifice size and replace. | ||
| 3. | If installed above 2,000 ft. | 3. | Refer to Burner Orifice Section, Pg. 12. | ||
Flame pops back | Too much primary air. |
| Adjust air shutter. | See Page 12. | ||
Noisy Flame | 1. | Too much primary air. | 1. | Adjust air shutter. | See Page 12. | |
| 2. | Noisy pilot. | 2. | Reduce pilot gas with adjusting screw marked | ||
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| pilot on combination gas control valve. See | ||
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| Page 12. |
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| 3. | Burr in orifice (if it whistles or | 3. | Remove burr or replace orifice. (Do not | ||
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| resonates). |
| enlarge orifices). |
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| 4. | Excessive gas input. | 4. | See “Flame Too Large” above. | ||
Yellow tip flame (some | 1. | Too little primary air. | 1. | Adjust air shutter. | See page 12. | |
yellow tipping on L.P. | 2. | Clogged main burner ports. | 2. | Clean main burner ports. (Do not enlarge ports). | ||
gas is permissible) | 3. | Clogged draft hood. | 3. | Clean draft hood. |
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| 4. | Linted up air shutter. | 4. | Check for dust or lint at air mixer opening and | ||
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| around the shutter. |
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Floating flame | 1. | Blocked venting. | 1. | Clean flue passage ways to remove blockage. | ||
| 2. | Insufficient primary air. | 2. | Adjust air shutter to increase primary air supply. | ||
Gas odor | 1. | Chimney or vent obstruction. | 1. | Clean chimney or vent - replace if necessary. | ||
| 2. | Drafts around appliance. | 2. | Eliminate drafts. |
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| 3. | Gas leak. | 3. | See Page 1. |
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Delayed ignition | 1. | Pilot flame too small. | 1. | Check pilot orifice, close, increase pilot gas flow if | ||
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| necessary by adjusting at combination control valve. | ||
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| See Page 12. |
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| 2. | Burner ports clogged near pilot. | 2. | Clean burner ports (Do not enlarge ports). | ||
| 3. | Low gas pressure. | 3. | Check gas supply pressure. |
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| 4. | Pilot decreases in size when main burners | 4. | Supply piping is inadequately sized. Consult local | ||
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| come on. |
| gas utility or competent installer. | ||
| 5. | Air shutter open too far. | 5. | Close air shutter to proper setting as outlined in | ||
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| these instructions (slight yellow tipping is | ||
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| allowable on L.P. gas). |
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| 6. | Drafts around appliance. | 6. | Eliminate drafts. |
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| 7. | Bad venting. | 7. | See “Venting”. |
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Failure to ignite | 1. | Main gas off. | 1. | Open all manual gas valves. |
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| 2. | Defective gas valve. | 2. | Replace gas valve. |
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Condensation of water vapor 1. | Improper venting. | 1. | See “Venting. |
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Burner won’t turn off | 1. | Defective or sticking automatic valve. | 1. | Clean or replace valve. |
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| 2. | Excessive gas pressure (The supply gas | 2. | To correct this situation contact the utility | ||
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| pressure must not exceed 1/2 psi or 14” |
| supplying the gas. |
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| water column). |
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Incorrect gas input | 1. | Gas input not checked. | 1. | Recheck gas input. |
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| 2. | Clogged orifice. | 2. | Check orifice for clogging. | If clogged, clean out the | |
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| hole carefully with a smooth wood toothpick. (Do | ||
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| not in any way enlarge or distort it. | ||
Not enough heat | 1. | Appliance undersized | 1. | This is especially true when a dwelling or room is | ||
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| enlarged. Have the heat loss calculated and compare to | ||
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| the appliance output (70% of input). Your gas company | ||
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| or installer can supply you with this information. If | ||
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| appliance is undersized, replace with correct size unit. | ||
| 2. | Thermostat set too low. | 2. | Setting of thermostat. See “Lighting and Shutting Down | ||
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| Instructions”. |
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| 3. | Incorrect supply pressure. | 3. | Check supply pressure as outlined above. | ||
Too much heat | 1. | Thermostat set too high. | 1. | Lower setting of temp. dial. | See “Lighting and Shutting | |
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| Down Instructions”. |
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| 2. | Combination control valve sticks open. | 2. | Replace combination control valve. | ||
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TROUBLE SHOOTING CHART - AUTOMATIC PILOT & VALVE | ||||||
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Burner won’t turn on | 1. | Pilot flame too large or too small. | 1. | Readjust pilot flame using adjustment screw marked | ||
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| “Pilot” on combination control valve. See Page 10. | ||
| 2. | Dirt in pilot orifice. | 2. | Clean pilot orifice with air or solvent, do not ream. | ||
| 3. | Defective automatic pilot section in | 3. | Replace entire combination control valve. | ||
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| combination control valve. |
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| 4. | Defective Thermocouple. | 4. | Replace thermocouple. |
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| 5. | Defective combination control valve. | 5. | Replace valve. |
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Page 15
