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Mr. Heater | Unvented Natural Gas Fired Room Heater
Operating Instructions and Owner’s Manual
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
TR
OUBLESHOO
TING
SYMPTOM
SYMPTOM
• When ignitor button is pressed in, there is a spark at the ODS/pilot but no ignition.
• When igniter button is pressed in, there is no spark at pilot.
CAUSE
CAUSE
REMEDY
REMEDY
1. Control knob not fully pressed in.
1. Press in control knob fully.
2. Control knob not pressed in long enough.
2. After ODS/pilot lights, keep control knob pressed in for 30 seconds.
3. Equipment shutoff valve not fully open.
3. Fully open equipment shutoff valve.
4. Control valve damaged.
4. Replace Control valve.
1. Igniter electrode positioned wrong.
1. Reposition electrode.
2. Igniter electrode is broken.
2. Replace electrode.
3. Igniter electrode not connected to igniter. 3. Reconnect igniter cable.
4. Igniter cable pinched or wet.
4. Free igniter cable if pinched by any metal or tubing. Keep igniter cable dry.
5. Broken igniter cable.
5. Replace igniter cable.
6. Bad Piezo igniter.
6. Replace control valve.
7. Low Battery.
7. Replace battery.
REMEDY
SYMPTOM
• Burner does not light after ODS/pilot is lit.
CAUSE
1. Burner orifice is clogged.
1. Clean burner orifice (see Cleaning and Maintenance on page 11), or
replace burner orifice.
2. Burner orifice diameter to small.
2. Replace burner orifice.
3. Inlet gas pressure is too low.
3. Contact local gas company.
REMEDY
SYMPTOM
• Delayed ignition of burner.
CAUSE
1. Manifold pressure is too low.
1. Contact local gas company.
2. Burner orifice is clogged.
2. Clean burner orifice (see Cleaning and Maintenance on page 11), or
replace burner orifice.
NOTE:
All troubleshooting items are
listed in order of operation and likely
occurrence.
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 and
possible discoloration of walls and
ceilings.
WARNING:
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. Make
sure grille guard is in place before
running heater. If screen or grille guard
is removed for servicing it must be
replaced prior to operating the heater.
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 you gas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas
supplier, call the fire department.
