Troubleshooting - Mi-T-M Corporation MH-0042-PM10 Manuel De L'opérateur

PROBLEM
Pilot Won't Light
Note: Heater operates at
reduced efficiency below
40°F (6°C)
Pilot Won't Stay Lit
Burner Won't Light
Burner Flame Is Low
Carbon Build-Up
Thick Black Smoke
22

TROUBLESHOOTING

CAUSES
Cylinder valve is closed
Blockage in orifice or pilot tube
Air in gas line
Low gas pressure with cylinder valve
fully open
Igniter fails
Dirt built up around pilot
Connection between gas valve and
pilot assembly is loose
Thermocouple is not operating cor-
rectly
Gas pressure is low
Blockage in orifice
Control knob is not in "ON" position
Gas pressure is low
Outdoor temperature is less than 40°F
and tank is less than 1/4 full
Supply hose is bent or kinked
Control knob fully on
Dirt or film on reflector and burner
screen
Blockage in burner
SOLUTION
Open valve
Clean or replace orifice or pilot tube
Open gas line and bleed it (pressing
control knob in) for not more than 1 - 2
minutes or until you smell gas
Use match to light pilot; obtain new
igniter and replace
Clean dirt from around pilot
Tighten connection and perform leak
check
Replace the thermocouple
Turn cylinder valve OFF and replace
cylinder
Clear blockage
Turn control knob to on
Turn cylinder valve off and replace
cylinder
Use a full cylinder
Straighten hose
Check burner and orifices for blockage
Clean reflector and burner screen
Remove blockage and clean burner
inside and outside
Propane Patio Heater Manual