14
Troubleshooting
PROBLEMS
CAUSES
REMEDIES
1. Burner will not light.
* Propane gas container is empty.
* Fill container.
* Fuel supply valves closed.
* Open fuel supply valves.
* Excess flow valve in P.O.L.
* Close propane container valve. Wait 5 minutes
fitting on regulator is closed.
and open container’s valve slowly.
* Safety control button not fully pushed in.
* Push in button completely.
* Burner orifice manifold is plugged.
* Clean or replace manifold.
* Restriction in gas hose.
* Remove hose from heater and blow
out with compressed air or replace if necessary.
* Air in gas line.
* Push in safety control valve’s pilot button (normally 15 -
20 seconds is sufficient) on control of gas valve to purge
air from line (usually necessary at time of installation).
NOTE:
Make sure you are pushing the Piezo igniter
button during this time to prevent gas
accumulation.
* Safety control valve is defective.
* Replace safety control valve.
* Defective Piezo igniter or electrode.
* Refer to the igniter and electrode service instruction
section for problems associated with these parts.
2. Burner lights but will not
* Restriction in gas hose.
* See remedy for same cause in Problem #1.
stay lit when safety control
button is released.
* Insufficient time allowed for
* Hold in control button for 30 seconds to allow proper
thermocouple to heat up..
warm up.
* Loose thermocouple.
* Tighten thermocouple at gas control. Make sure
it is securely pushed into its bracket. Tighten
finger tight and snug the contact nut with an
appropriate wrench.
* Defective thermocouple.
* Replace thermocouple.
* Orifice manifold is plugged.
* See remedy for same in Problem #1.
* Defective safety control valve.
* Replace safety control valve.
* Improper gas pressure.
* Set pressure according to pressure on dataplate.
3. Burner flame lifting
* Fuel pressure set too high.
* Set pressure according to pressure on dataplate.
off burner.
* Blockages in burner manifold orifice or at * Clean suspected area with soft brush, dry cloth,
primary air inlets of burner.
or compressed air.
4. Heater not delivering
* Gas supply valves not fully open.
* Open valves completely.
maximum heat output.
* Variable rate valve not positioned
* Position the valve to maximum
to maximum
Burner manifold orifice plugged.
* Clean burner orifice with compressed air or replace.
* Low fuel supply pressure.
* Consult propane gas supplier. Cylinder or tank needs
replacement or refill. Regulator needs adjustment.
Check for use of proper regulation and fuel gas.
