Problem

Probable Cause

Remedy

Handle not depressed fully.	Depress handle all the way until igniter fires with a click.
Handle activated too quickly.	Squeeze handle slowly to make sure mixture has entered combustor before firing.
Pressure too low.	Check regulator.
Handle not released fully.	Release both triggers to make sure igniter is reset.
Spark plug gap too small.	Open gap to 3mm.
Defective igniter or connections.	Check for spark. Return for service.
Gas not on.	Check ON/OFF valve.

Wrong fuel.	Check for proper type.
Tank has iced up and tank pressure is below 22 PSIG.	Change to new tank.
Excess flow check valve not open.	Open tank valve and wait 10 seconds until hose is pressurized before using gun.
Clogged orifice and/or filter.	Remove and clean with compressed air.
Clogged hose.	Blow out or replace.
Clogged fuel line.	Blow out or replace.

*Leading edge of combustor will turn red under normal conditions. If more than 1" of combustor turns red, trouble is indicated.

Leak in orifice assembly.	Tighten orifice in holder and check.
Wrong pressure.	Reset to 24 PSIG.

• Gun won't fire
• Combustor turns red
  (insufficient fuel flow)
• Large flame
  (too much fuel)