Vanguard Heating VMH26TPB installation manual Observed Possible Remedy Problem Cause

Page 27

TROUBLE- SHOOTING

OBSERVED

POSSIBLE

REMEDY

PROBLEM

CAUSE

 

 

 

Continued

Burner does not light

1.

Burner orifice is

after ODS/pilot is lit

 

clogged

 

2.

Burner orifice diameter

 

 

is too small

 

3.

Inlet gas pressure is

 

 

too low

1.Clean burner (see Cleaning and Mainte- nance, page 25) or replace burner orifice

2.Replace burner orifice

3.Contact local propane/ LP gas company

Delayed ignition of

1.

Manifold pressure is

burner

 

too low

 

2.

Burner orifice is

 

 

clogged

1.Contact local propane/ LP gas company

2.Clean burner (see Cleaning and Mainte- nance, page 25) or replace burner orifice

Burner backfiring

1. Burner orifice is

during combustion

clogged or damaged

2. Burner damaged

3. Low inlet gas pressure

4. Gas regulator defective

1.Clean burner (see Cleaning and Mainte- nance, page 25) or replace burner orifice

2.Replace burner pressure

3.Contact local propane/ LP gas company

4.Replace gas regulator

Yellow flame during

1. Not enough air

burner combustion

 

2. Gas regulator defective

1.Check burner for dirt and debris. If found, clean burner (see Cleaning and Mainte- nance, page 25)

2.Replace gas regulator

Slight smoke or odor

1. Residues from manu-

1. Problem will stop after a

during initial operation

facturing processes

few hours of operation

 

 

 

Fireplace produces a

1.

Turning control knob

whistling noise when

 

to HI position when

burner is lit

 

burner is cold

 

2.

Air in gas line

3. Air passageways on fireplace blocked

4. Dirty or partially clogged burner orifice

1.Turn control knob to LO position and let warm up for a minute

2.Operate burner until air is removed from line. Have gas line checked by local propane/LP gas company

3.Observe minimum installation clearances (see Figures 6 and 7 page 11)

4.Clean burner (see Clean- ing and Maintenance, page 25) or replace

burner orifice

27

 

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Image 27
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Thermostatic Heat Control Local Codes Product Features UnpackingSafety Pilot Piezo Ignition SystemInstalling Log AssemblyConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Fireplace LocationVentilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Shown with Optional Mantel Ventilation Air From OutdoorsLocating Fireplace InstallationInstallation Items Check GAS TypeCeiling BUILT-IN Fireplace Installation InstallingSide Firebox Mantel Shelf Mantel Clearances for Built-In InstallationAttaching Brass Trim to Fireplace Optional Mantel InstallationAttaching Wood Base to Solid Floor Assembling Brass Trim Brass trim shipped with mantelExternal Regulator with Vent Pointing Down Connecting to GAS SupplyInstallation Items Needed Connecting Fireplace to GAS SupplyPressure Testing GAS Supply Piping System Connecting to GAS Supply Checking GAS ConnectionsManual Shutoff Valve Pressure Testing Fireplace GAS ConnectionsOperating Fireplace Pilot Shutting Off Burner Only pilot stays lit Shutting Off FireplacePilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternCleaning and Maintenance Trouble Shooting ODS/PILOT and BurnerCabinet TROUBLE- Shooting See CleaningObserved Possible Remedy Problem Cause Connections, Ing statement at topParts Not Under Warranty Technical ServiceService Hints Parts Under WarrantyVMH26TP Model VMH26TP Parts ListUnfinished GM921U Finished GM920F AccessoriesValve GA5010 GA3400T102886 102886 102886 Keep this Warranty Warranty Information