L.B. White 225 Workman - Manual (Page 14)

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.