OBSERVED

POSSIBLE

 

PROBLEM

CAUSE

REMEDY

 

 

 

Burner plaque(s) does not glow

1.Plaque damaged

2.Inlet gas pressure is too low

3.Control knob set be- tween locked positions

1.Replace burner

2.Contact local natural gas company

3.Turn control knob until it locks at desired setting

Slight smoke or odor

1. Residues from manu-

1. Problem will stop after a

during initial opera-

facturing processes

few hours of operation

tion

 

 

 

 

 

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or contracting while cooling

1.This is common with most heaters. If noise is excessive, contact quali- fied service person

!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.

Heater produces un- wanted odors

1.Heater burning vapors from paint, hair spray, glues, etc.

2.Gas leak. See Warn- ing statement above

1.Ventilate room. Stop us- ing odor-causing prod- ucts while heater is run- ning

2.Locate and correct all leaks (see CHECKING GAS CONNECTIONS, page 10)

Heater shuts off in use (ODS operates)

1.Not enough fresh air is available

2.Low line pressure

3.ODS/pilot is partially clogged

1.Open window and/or door for ventilation

2.Contact local natural gas company

3.Clean ODS/pilot (see

CLEANING AND MAINTENANCE, page 16)

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Vanguard Heating VN12, VN6A installation manual Observed Possible Problem Cause Remedy