VANGUARD FLAME-MAX®
UNVENTED NATURAL GAS LOG HEATER
TROUBLESHOOTING
Continued
WARNING: If you smell gas
•Shut off gas supply.
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappear over time.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY |
Heater produces a clicking/ticking noise just after burner is lit or shut off
1.Metal expanding while heating or con- tracting while cooling
1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person
Heater produces unwanted odors | 1. | Heater burning vapors from paint, hair |
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| spray, glues, cleaners, chemicals, new |
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| carpet, etc. (see IMPORTANT statement |
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| above) |
| 2. | Gas leak. See Warning statement at |
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| top of page |
1.Open window and ventilate room. Stop using odor causing products while heater is running
2.Locate and correct all leaks (see Check- ing Gas Connections, page 12)
Heater shuts off in use (ODS operates) | 1. | Not enough fresh air is available | 1. | Open window and/or door for ventila- |
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| tion |
| 2. | Low line pressure | 2. | Contact local natural gas company |
| 3. | ODS/pilot is partially clogged | 3. | Clean ODS/pilot (see Cleaning and |
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| Maintenance, page 17) |
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Gas odor even when control knob is in OFF | 1. | Gas leak. See Warning statement at | 1. | Locate and correct all leaks (see Check- |
position |
| top of page |
| ing Gas Connections, page 12) |
| 2. | Control valve defective | 2. | Replace control valve |
Gas odor during combustion | 1. | Foreign matter between control valve |
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| and burner |
| 2. | Gas leak. See Warning statement at |
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| top of page |
1.Take apart gas tubing and remove for- eign matter
2.Locate and correct all leaks (see Check- ing Gas Connections, page 12)
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