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Troubleshooting, Manual ignition system, Continued) – Desa (V) CB36(N User Manual

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117437-01

TROUBLESHOOTING

TROUBLESHOOTING

Manual Ignition System

(

Continued)

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after pilot is lit
or cycles during operation.

Delayed ignition at burner

Burner backfi ring during combustion

Slight smoke or odor during initial operation

Heat produces a wistling noise when
burner is lit

Glass soots

Fireplace produces a clicking/ticking noise
just after burners are lit or shut off

Remote does not function

1. Burner orifi ce clogged

2. Inlet gas pressure is too low

3. Thermopile leads disconnected or im-
properly

connected

4. Thermopile is defective
5. Improper venting or excessive blockage

1. Manifold pressure too low

2. Burner porting or orifi ce clogged

1. Burner orifi ce is clogged or damaged

2. Damaged burner
3. Gas regulator defective

1. Residues from manufacturing processes

and logs curing

1. Turning gas control knob to HI position

when burner is cold

2. Air in gas line

3. Dirty or partially clogged burner orifi ce

1. Flame impingement on logs

2. Debris around burner air mixer

1. Metal expanding while heating or con-

tracting while cooling

1. Battery is not installed or battery is power
is

low

1. Clean burner (see Cleaning and Mainte-
nance
, page 20) or replace burner orifi ce
2. Contact local propane/LP or natural gas
company
3. Reconnect leads

4. Replace thermopile
5. Have the vent system inspected, includ-
ing the termination cap. Remove any

restriction or obstruction

1. Contact local propane/LP or natural gas

company

2. Clean burner (see Cleaning and Mainte-

nance, page 20) or replace burner orifi ce

1. Clean burner (see Cleaning and Mainte-
nance
, page 20) or replace burner orifi ce
2. Replace damaged burner
3. Replace gas control

1. Problem will stop after a few hours of
operation

1. Turn gas 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 pro-

pane/LP or natural gas company

3. Clean burner (see Cleaning and Mainte-

nance, page 20) or replace burner orifi ce

1. Adjust the log set so the fl ame does

equipment shutoff valve

2. Inspect the opening at the base of the

burner to see that it is not packed with

any type of material

1. This is common. If noise is excessive,

contact qualifi ed service person

1. Replace 9-volt batteries in receiver and

remote control

Manual Ignition System (Cont.)