Vanguard Heating VMH10TN installation manual See Cleaning

Page 25

TROUBLE-

 

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

SHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

 

When ignitor button

1. Gas supply turned off

1.

Turn on gas supply or

 

Continued

 

 

 

is pressed, there is

 

or manual shutoff

 

open manual shutoff

 

 

 

 

 

 

 

 

spark at ODS/pilot

 

valve closed

 

valve

 

 

 

but no ignition

2.

Control knob not in

2.

Turn control knob to

 

 

 

 

 

PILOT position

 

PILOT position

 

 

 

 

3.

Control knob not

3.

Press in control knob

 

 

 

 

 

pressed in while in

 

while in PILOT

 

 

 

 

 

PILOT position

 

position

 

 

 

 

4.

Air in gas lines when

4.

Continue holding

 

 

 

 

 

installed

 

down control knob.

 

 

 

 

 

 

 

Repeat igniting opera-

 

 

 

 

 

 

 

tion until air is re-

 

 

 

 

 

 

 

moved

 

 

 

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see

 

 

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 24) or

 

 

 

 

 

 

 

replace ODS/pilot

 

 

 

 

 

 

 

assembly

 

 

 

 

6.

Gas regulator setting is

6.

Replace gas regulator

 

 

 

 

 

not correct

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ODS/pilot lights but

1.

Control knob not fully

1.

Press in control knob

 

 

 

flame goes out when

 

pressed in

 

fully

 

 

 

control knob is

2.

Control knob not

2.

After ODS/pilot lights,

 

 

 

released

 

pressed in long enough

 

keep control knob

 

 

 

 

 

 

 

pressed in 30 seconds

 

 

 

 

3.

Safety interlock system

3.

Wait one minute for

 

 

 

 

 

has been triggered

 

safety interlock system

 

 

 

 

 

 

 

to reset. Repeat

 

 

 

 

 

 

 

ignition operation

 

 

 

 

4.

Manual shutoff valve

4.

Fully open manual

 

 

 

 

 

not fully open

 

shut-off valve

 

 

 

 

5.

Thermocouple connec-

5.

Hand tighten until

 

 

 

 

 

tion loose at control

 

snug, then tighten 1/4

 

 

 

 

 

valve

 

turn more

 

 

 

 

6.

Pilot flame not touch-

6.

A) Contact local

 

 

 

 

 

ing thermocouple,

 

natural gas company

 

 

 

 

 

which allows thermo-

 

 

 

 

 

 

 

 

 

 

couple to cool, causing

 

B) Clean ODS/pilot

 

 

 

 

 

pilot flame to go out.

 

(see Cleaning and

 

 

 

 

 

This problem could be

 

Maintenance, page 24)

 

 

 

 

 

caused by one or both

 

or replace ODS/pilot

 

 

 

 

 

of the following:

 

assembly

 

 

 

 

 

A) Low gas pressure

 

 

 

 

 

 

 

 

 

 

B) Dirty or partially

 

 

 

 

 

 

 

 

 

 

clogged ODS/pilot

 

 

 

 

 

 

 

 

 

7.

Thermocouple dam-

7.

Replace thermocouple

 

 

 

 

 

aged

 

 

 

 

 

 

 

 

 

8.

Control valve damaged

8.

Replace control valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 25
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information ContentsSafety Product Identification FeaturesLocal Codes ProductInstalling Log AssemblyAssembling Fireplace Ventilation AIR for CombustionProviding Adequate Ventilation Determining FRESH-AIR Flow for Fireplace Location AIR forDetermining if You Have a Confined or Unconfined Space Tion and ventilation air by one of the methods described Ventilation AIRCable local codes Ventilation Air From Inside BuildingVentilation Air From Outdoors AIR for Combustion and VentilationInstallation Items InstallationCheck GAS Type Locating FireplaceInstallation BUILT-IN Fireplace Installation InstallingGas Supply, 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 mantelTo GAS ConnectingSupply Follow all local codesInstallation Items Needed Connecting Fireplace to GAS SupplyPressure Testing Fireplace GAS Connections Pressure Testing GAS Supply Piping SystemChecking GAS ConnectionsFireplace Pilot Operating FireplaceShutting Off Burner Only pilot stays lit Shutting Off FireplacePilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternObserved Possible Problem Cause Remedy Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner CabinetSee Cleaning TROUBLE- Shooting Top Ing statement atReplacement ServiceTechnical HintsAccessories VMH10TN Model VMH10TN Parts ListLimited Warranty Warranty InformationVENT-FREE Natural GAS Compact Classic HEARTHâ Fireplace