Uline H-5221 Manual Del Usuario página 8

OPERATING ISSUE
Pilot won't light.
Note: Heater operates
at reduced efficiency
below 40°F.
Pilot won't stay lit.
Burner won't light.
Burner flame is low.
PAGE 8 OF 27
TROUBLESHOOTING
CAUSES
1. Cylinder valve is closed.
2. Blockage in orifice or pilot tube.
3. Air in gas line.
4. Low gas pressure with cylinder
valve fully open.
5. Igniter fails.
6. Variable control knob is not in
correct position.
1. Dirt buildup around pilot.
2. Connection between gas valve
and pilot assembly is loose.
1. Propane cylinder is frosted over.
2. Blockage in orifice.
3. Control knob is not in "ON"
position.
1. Gas pressure is low.
2. Outdoor temperature is less than
40°F and tank is less than 1/4 full.
3. Control knob fully "ON."
4. Spiders and insects nest in burner
or orifices.
RECOMMENDATIONS
1. Open valve on the gas cylinder.
2. Clean or replace orifice or pilot tube.
3. Open gas line and bleed it (pressing
control knob in) for no more than 1-2
minutes or until you smell gas.
4. Turn cylinder valve "OFF" and replace
cylinder.
5. Use match to light pilot; obtain new
igniter and replace.
6. Firmly press down and turn the variable
control knob approximately 90°
counterclockwise.
Press down the variable control knob
and hold for 20 seconds. While holding
down the variable control knob, press
the igniter button several times until
the pilot flame comes on. After lighting
the pilot, wait 15 seconds to heat the
thermocouple, before releasing the
control knob. Release the variable
control knob after the pilot flame lights.
1. Clean dirt from around pilot.
2. Tighten connection and perform leak
check.
1. Wait until the propane cylinder warms
up and becomes unfrosted.
2. Clear blockage.
3. Turn control knob to "ON."
1. Turn cylinder valve "OFF" and replace
cylinder.
2. Use a full cylinder.
3. Check burner and orifices for
blockage.
4. Clean burner and orifices.
1220 IH-5221