Troubleshooting - L.B. White Workman CV225 Owner's Manual And Instructions

Troubleshooting

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