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With the unit off, lightly blow air through the air inlet hole. You may blow through a drinking straw if compressed air is not available. 13 Installation instructions and Owner’s Manual TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. WARNING: Only a qualified service person should service and repair heater. CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Make sure grille guard is in place before running heater. If screen or grille guard is removed for servicing it must be replaced prior to operating the heater. OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY When ignitor button is pressed 1. Ignitor electrode positioned wrong. 1. Reposition electrode in, there is no spark at pilot 2. ignitor electrode is broken. 2. Replace electrode 3. Ignitor electrode not connected to ignitor. 3. Reconnect ignitor cable 4. Ignitor cable pinched or wet. 4. Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry. 5. Broken ignitor cable. 5. Replace ignitor cable 6. Bad Piezo ignitor. 6. Replace control valve (Piezo is part of control valve on 10K units). 7. Low Battery. 7. Replace battery ODS/pilot lights but flame goes out when control knob is 1. Gas supply turned off or equipment shutoff valve closed. 1. Turn on gas supply turn off or open equipment shutoff valve closed released 2. Control knob not fully pressedin while pressing ignition button. 3. Air in gas line when installed. 4. ODS/pilot is clogged. 5. Gas regulator setting is not correct 6. Control knob not in pilot position 2. Fully press in control knob while pressing ignition button 3. Continue holding down control knob. Repeat ignition operation until air is removed. 4. Clean ODS/pilot (see Cleaning and Maintenance page 13). 5. Replace gas regulator 6. Turn Control knob to pilot position When ignitor button is pressed in, there is a spark at the ODS/ pilot but no ignition 1. Control knob not fully pressed in. 2. Control knob not presed in long enough 3. Equipment shutoff valve ont fully open 4. Thermocouple connection loose at control valve 5. Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following: a. Low gas presure b. Dirty or partially clogged ODS/pilot 6. Thermocouple damaged 7. Control vlave damaged 1. Press in control knob fully 2. After ODS/pilot lights, keep control knob pressed in for 30 seconds 3. Fully open equipment shutoff valve 4. Hand tighten thermocouple nut until snug, and then tighten 1/4 turn more. 5. a. Contact local gas company b. Clean ODS/pilot (see Cleaning and Maintenance, page ?). 6. Replace thermocouple 7. Replace Control valve. Burner does not light after 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and ODS/pilot is lit Maintenance on page 13), or replace burner orifice 2. Burner orifice diameter to small 2. Replace burner orifice 3. Inlet gas pressure is too low 3. Contact local gas company Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local gas company 2. Burner orifice is clogged 2. Clean burner orifice (see Cleaning and Maintenance on page 13), or replace burner orifice 14 Installation instructions and Owner’s Manual 70574 REV. C 8/05 TROUBLESHOOTING CON’T OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY Buner backfiring during 1. Burner orifice is clogged or damaged 1. Clean burner orifice (see Cleaning and Maintenance on page 13), or replace combustion burner orifice 2. Burner damaged 2. Replace burner 3. Gas regulator defective 3. Replace gas regulator Burner plaque(s) does not glow [Infrared Only] 1. Plaque damaged 2. Control knob set between locked positions. 3. Inlet gas pressure is too low 1. Replace buner 2. Turn control knob until it locks at desired setting. 3. Replace gas regulator Slight smoke or odor during initial operation 1. Residues from manufacturing process 1. Problem will stop after a few hours of operation Heater produces a whistling noise when burner is lit 1. Turning control knob to HI position when burner is cold 2. Air in gas line 3. Air passageways on heater blocked 4. Dirty or partially clogged burner orifice. 1. Turn control knob to LO position and let warm up for a minute. 2. Operate buner until air is removed from line have gas line checked by local gas company. 3. Observe minimum installation clearances(see Figure 4 page6) 4. Clean burner orifice (see Cleaning and Maintenance on page 13), or replace burner orifice. White powder residue forming within burner box or on adjacent walls or furniture 1. When heated, vapors from furniture polis, wax, carpe cleaners, etc., turn into white powder residue 1. Turn heater off when using furniture poils,wax, carpet cleaner or similar products. TROUBLESHOOTING 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 ph...

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