Mr. Heater MH18B Instructions D'utilisation Et Manuel Du Propriétaire page 7

NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
SYMPTOM
• Spark electrode does not produce spark.
CAUSE
1. Spark electrode broken.
2. Igniter wire may not be attached to spark electrode.
3. Igniter wire damaged.
4. Piezo igniter on control valve defective.
SYMPTOM
• Spark electrode produces spark but pilot does not light.
CAUSE
1. No gas to heater.
2. "PILOT" position not properly aligned.
3. Pilot is blocked with foreign debris.
SYMPTOM
• Pilot flame does not stay lit when knob is released.
CAUSE
1. Improper pilot lighting.
2. Pilot flame not surrounding thermocouple.
3. Pilot Assembly is defective.
4. Tip switch wires are disconnected.
SYMPTOM
• Main burner does not ignite.
CAUSE
1. Main burner orfice is blocked.
SYMPTOM
• Heater keeps shutting "OFF" during normal operation.
CAUSE
1. Pilot is blocked.
2. Inadequate fresh air opening.
3. Tip over switch activated from bumping heater.
• For additional assistance or information, please call Technical services.
Mr. Heater | Portable Big Buddy Radiant Heater
REMEDY
1. Replace.
2. Attach igniter wire.
3. Replace igniter wire.
4. Replace control valve.
REMEDY
1. Install disposable cylinder or connect hose and filter
where required and turn on valve at remote cylinder.
2. Turn gas control knob to "PILOT" position and depress.
3. Clean pilot. See MAINTENANCE section.
REMEDY
1. Make sure that the control knob is completely depressed
in the "PILOT" position and held long enough to purge air
from lines.
2. Clean pilot, see MAINTENANCE.
3. Replace Pilot Assembly.
4. Connect tip switch wires.
REMEDY
1. Clean burner - see Maintenance.
REMEDY
1. Clean pilot. See MAINTENANCE section.
2. Provide minimum fresh air opening of 18 square inches
(example 4.25" x 4.25" opening).
3. Re-light.
7
Operating Instructions and Owner's Manual