NewAir APH-4000PV - Manual (Page 13)

13
Never use wood or plastic, it may break and block the parts.
Never spray any cleaning product on the emitter grid or burner area.
6. Troubleshooting
Problem Possible Cause What to do
Air in gas line
Purge gas line by holding
control
knob at “PILOT”
position for at least two
minutes.
Blockage in orifice Clean orifice
Gas pressure is low Replace cylinder
Burner won’t light
Igniter is not sparking
Use match to light pilot
through the hole at the base of
heater head.
Thermocouple is not operating
properly
Replace thermocouple
Dirt build up around pilot orifice Clean pilot orifice
There may be a leak in the system
that has been detected by the
safety system in the regulator.
Check connections at hose to
fuel line and fuel line to heater
head. Be sure Regulator
hand wheel is tightened to
cylinder valve properly.
Pilot won’t stay lit
High wind condition blowing out
pilot flame
Put heater in more protected
location.
Do not use heater in winds:
greater than 10 miles/hr. or
temperature: below 40 F.
Heater not leveled Level the heater
The burner tilted Straighten burner
Gas pressure is low Replace cylinder
Emitter glows uneven
Outdoor temperature is below 40
degrees Fahrenheit and cylinder is
less than 20% full
Refill the cylinder. Using full
one.
Stop using this heater when
the temperature is below 40 F.
The burner burn off oily materials
During the first few minutes of
the initial burning
Burner emits smoke
Blockage in burner
Remove blockage and clean
burner inside & outside
The base is not on a level surface
Place heater on a level
surface
Dirt or film on dome and emitter Clean dome and emitter
Carbon build up
Blockage in burner
Remove blockage and clean
burner and clean burner inside
& outside.