27
TROUBLESHOOTING
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 in your building.
• 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.
IMPORTANT:
Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint
remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix
with combustion air and create odors.
WARNING:
Make sure that power is turned off before proceeding.
WARNING:
Turn off and let cool before servicing. Only a qualified service person should service
and repair heater.
CAUTION:
Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
When ignitor button
is pressed in, there
is no spark at ODS/
pilot.
1. Ignitor electrode is
positioned wrong.
2. Ignitor electrode is broken.
3. Ignitor electrode is not
connected to ignitor cable.
4. Ignitor cable is pinched or
wet.
5. Damaged ignitor cable.
6. Bad piezo ignitor.
7. Bad Battery.
1. Replace electrode.
2. Replace electrode.
3. Replace ignitor cable
4. Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry.
5. Replace ignitor cable.
6. Replace piezo ignitor.
7. Check Battery and replace if needed.
When ignitor button
is pressed in, there
is a spark at ODS/
pilot but no ignition.
1. Gas supply is turned off or
equipment shutoff valve is
closed.
2. Control knob not fully
pressed in while pressing
ignitor button.
3. Air in gas lines when
installed.
4. ODS / pilot is clogged.
5. Gas regulator setting is not
correct.
6. Control knob not in PILOT
position.
7. Depleted gas supply (propane).
1. Turn on gas supply or open equipment
shutoff valve.
2. Fully press in control knob while
pressing ignitor button.
3. Continue holding down control knob.
Repeat igniting operation until air is
removed.
4. Clean ODS/pilot (see Care and
Maintenance, page 25 & 26) or replace
ODS/pilot assembly.
5. Replace gas regulator.
6. Turn control knob to PILOT position.
7. Contact local propane/LP gas company.
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• for propane/LP units, propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local natural or propane/LP gas supplier.
Summary of Contents for VFL-CO18DT
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