Cedar Ridge MTF30TBU - Page 27

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27200006-01B
TROUBLESHOOTING
Problem Possible Cause Corrective Action
High yellow ame during
burner combustion
1. Not enough air.
2. Gas regulator is defective.
3. Inlet gas pressure is too low.
1. Check burner for dirt and debris.
If found, clean burner (see Care
and Maintenance, page 24).
2. Replace gas regulator.
3. Contact local gas supplier.
Gas odor during com-
bustion.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement at top of page 25).
1. Take apart gas tubing and
remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
Slight smoke or odor dur-
ing initial operation.
1. Residues from manufactur-
ing process.
1. Problem will stop after a few
hours of operation.
Heater produces a whis-
tling noise when burner
is lit.
1. Turning control knob to high
(5) position when burner is
cold.
2. Air in gas line.
3. Air passageways on heater
are blocked.
4. Dirty or partially clogged
burner orice.
1. Turn control knob to low (1)
position and let warm up for
a minute.
2. Operate burner until air is re-
moved from line. Have gas line
checked by local gas supplier.
3 Observe minimum installation
clearances (Figure 4, page 11).
4 Clean burner (see Care and
Maintenance, page 24) or
replace burner orice.
Heater produces a click-
ing/ticking noise just after
burner is lit or shut off.
1. Metal is expanding while
heating or contracting while
cooling.
1. This is common with most
heaters. If noise is exces-
sive, contact qualied ser-
vice technician.
White powder residue
forming within burner
box or on adjacent walls
or furniture.
1. When heated, the vapors
from furniture polish, wax,
carpet cleaners, etc., turn
into white powder residue.
1. Turn heater off when using
furniture polish, wax, carpet
cleaner or similar products.
Heater produces un-
wanted odors.
1. Heater is burning vapors from
paint, hair spray, glues, etc. See
IMPORTANT statement, page 25.
2. Gas leak. See Warning State-
ment at the top of page 25.
3 Low fuel supply (propane/LP
gas only).
1. Ventilate room. Stop using
odor causing products while
heater is running.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
3. Rell supply tank (Propane/
LP models).
Heater shuts off in use
(ODS operates).
1. Not enough fresh air is avail-
able.
2. Low line pressure.
3. ODS/pilot is partially clogged.
1. Open window and/or door for
ventilation.
2. Contact local gas supplier.
3. Clean ODS/pilot (see Care
and Maintenance, page 24).
Gas odor exists even
when control knob is in
OFF position.
1. Gas leak. See Warning
Statement at top of page 25.
2. Control valve is defective.
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
2. Replace control valve.
Moisture/condensation
noticed on windows.
1. Not enough combustion/
ventilation air.
1. Refer to Air for Combus-
tion and Ventilation require-
ments, page 8.