28102991TROUBLE-SHOOTINGContinuedWARNINGIf 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 yourbuilding.• 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.POSSIBLECAUSE1. Metal expanding whileheating or contractingwhile cooling1. Heater burning vaporsfrom paint, hair spray,glues, cleaners, chemi-cals, new carpet, etc.(SeeIMPORTANTstatement above)2. Gas leak. See Warningstatement at top ofpage1. Not enough fresh air isavailable2. Low line pressure3. ODS/pilot is partiallyclogged1. Gas leak. See Warningstatement at top ofpage2. Control valve defective1. Foreign matter betweencontrol valve and burner2. Gas leak. See Warningstatement at top ofpage1. Thermostat sensing bulbneeds to be repositioned.OBSERVEDPROBLEMHeater produces aclicking/ticking noisejust after burner is litor shut offHeater producesunwanted odorsHeater shuts off in use(ODS operates)Gas odor even whencontrol knob is in OFFpositionGas odor duringcombustionLogs set cycles topilot, but roomtemperature drops to alower than ideal levelbefore log set comesback onREMEDY1. This is common withmost heaters. If noise isexcessive, contactqualified service person1. Open window andventilate room. Stop usingodor causing productswhile heater is running2. Locate and correct allleaks (see Checking GasConnections, page 17)1. Open window and/or doorfor ventilation2. Contact local natural gascompany3. Clean ODS/pilot (seeCleaning and Mainte-nance, page 25)1. Locate and correct allleaks (see Checking GasConnections, page 17)2. Replace control valve1. Take apart gas tubing andremove foreign matter2. Locate and correct allleaks (see Checking GasConnections, page 17)1. Reposition thermostatsensing bulb (see instruc-tions for OptionalPositioning of ThermostatSensing Bulb, page 29.IMPORTANT: Operating heater where impurities in air exist may create odors.Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, newcarpet or textiles, etc., create fumes. These fumes may mix with combustion airand create odors. These odors will disappear over time.