Desa Tech PC4670NG - Manual (Page 9)

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OWNER’S MANUAL
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 phone near
fireplace
• 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.
TROUBLESHOOTING
Continued
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POSSIBLE CAUSE
1. Manifold pressure is too low
2. Burner orifice or burner manifold ports
clogged
1. Burner orifice or burner manifold ports
clogged or damaged
2. Damaged burner
3. Gas control defective
1. Lava rock, refractory logs, or metal parts
expanding while heating or contracting
while cooling
1. Gas leak. See Warning statement at
bottom of page
1. Gas leak. See Warning statement at
bottom of page
2. Control valve defective
1. Gas leak. See Warning statement at
bottom of page
1. Sooting on the logs is natural
OBSERVED PROBLEM
Delayed ignition of burner
Burner backfiring during combustion
Fireplace produces a clicking/ticking noise
just after burner is lit or shut off
Fireplace produces unwanted odors
Gas odor even when control knob is in OFF
position
Gas odor during combustion
Soot on logs
REMEDY
1. Contact local natural gas company
2. Clean burner (see Cleaning and Mainte-
nance, page 10) or replace burner orifice
1. Clean burner (see Cleaning and Mainte-
nance, page 10) or replace burner orifice
2. Replace damaged burner
3. Replace gas control
1. This is common with most heaters. If
noise is excessive, contact qualified ser-
vice person
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 5 and 6)
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 5 and 6)
2. Replace control valve
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 5 and 6)
1. Clean soot with a soft bristle brush