
TROUBLE- SHOOTING
Continued
OBSERVED  | POSSIBLE  | 
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  | |
PROBLEM  | CAUSE  | REMEDY  | ||
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Burner does not light  | 1.  | Burner orifice is  | 1.  | Clean burner orifice (see  | 
after ODS/pilot is lit  | 
  | clogged  | 
  | Cleaning and Mainte- | 
  | 
  | 
  | 
  | nance, page 20) or replace  | 
  | 
  | 
  | 
  | burner orifice  | 
  | 2.  | Burner orifice diameter  | 2.  | Replace burner orifice  | 
  | 
  | is too small  | 
  | 
  | 
  | 3.  | Inlet gas pressure is  | 3.  | Contact local propane gas  | 
  | 
  | too low  | 
  | company  | 
Delayed ignition of 1.  | Manifold pressure is  | 
burner  | too low  | 
2.  | Burner orifice is  | 
  | clogged  | 
1.Contact local propane gas company
2.Clean burner orifice (see Cleaning and Mainte- nance, page 20) or replace burner orifice
Burner backfiring dur- 1.  | Burner orifice is  | 
ing combustion  | clogged or damaged  | 
2.  | Burner damaged  | 
3.  | Gas regulator defective  | 
1.Clean burner orifice (see Cleaning and Mainte- nance, page 20) or replace burner orifice
2.Replace burner
3.Replace gas regulator
22
Yellow  | flame during  | 1.  | Not enough air  | 1.  | Check burner for dirt and  | ||||
burner combustion  | 
  | 
  | 
  | debris. If  | found, clean  | ||||
  | 
  | 
  | 
  | 
  | burner (see Cleaning and  | ||||
  | 
  | 
  | 
  | 
  | Maintenance, page 20) | ||||
  | 
  | 2.  | Gas regulator defective  | 2.  | Replace gas regulator  | 
  | |||
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  | 
  | 
  | 
  | |||||
Slight smoke or odor  | 1.  | Residues from manu-  | 1.  | Problem will stop after a  | |||||
during  | initial opera-  | 
  | facturing processes  | 
  | few hours of operation  | ||||
tion  | 
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Heater  | produces a  | 1.  | Turning control knob  | 1.  | Turn  | control  | knob  | to  | |
whistling noise when  | 
  | to HIGH position  | 
  | LOW | position  | and  | let  | ||
burner is lit  | 
  | when burner is cold  | 
  | warm up for a minute  | 
  | ||||
  | 
  | 2.  | Air in gas line  | 2.  | Operate burner until air is  | ||||
  | 
  | 
  | 
  | 
  | removed from line. Have  | ||||
  | 
  | 
  | 
  | 
  | gas checked by local pro-  | ||||
  | 
  | 
  | 
  | 
  | pane gas company  | 
  | |||
  | 
  | 3.  | Air passageways on  | 3.  | Observe minimum instal-  | ||||
  | 
  | 
  | heater blocked  | 
  | lation  | clearances (see  | |||
  | 
  | 
  | 
  | 
  | Figure 4, page 10)  | 
  | |||
  | 
  | 4.  | Dirty or partially  | 4.  | Clean burner (see Clean-  | ||||
  | 
  | 
  | clogged burner orifice  | 
  | ing and Maintenance,  | ||||
  | 
  | 
  | 
  | 
  | page  | 20)  | or  | replace  | |
  | 
  | 
  | 
  | 
  | burner orifice  | 
  | 
  | ||
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