L.B. White 200 Norseman - Manual (Page 14)

13
Troubleshooting Information
PROBLEMS CAUSES REMEDIES
1. Pilot will not light. * Fuel supply valves closed. * Open fuel supply valves.
* Pilot button not fully depressed. * Depress pilot button completely.
* Pilot orifice is plugged. * Clean or replace pilot orifice.
* Inlet screen at pilot orifice is * Clean or replace screen.
plugged.
* Restriction in gas hose or * Remove hose or pilot line from heater and bl ow
pilot line. out with compressed air or replace if necessary.
* Air in gas line. * Depress pilot button (normally 30 seconds is
sufficient) on pilot valve to purge air fro m
line (usually necessary at time of installation).
* Defective pilot safety control valve. * Replace pilot safety control valve.
* No spark at electrode. * See Pro blem #6.
2. Pilot lights but will not * Restriction in gas hose or pilot line. * See remedy for same cause in Pro blem #1.
stay lit when pilot
button is released.
* Insufficient time allowed for pilot * Hold in pilot button for 30 seconds to allow proper
light to heat up thermocouple. warm up.
* Loose thermocouple. * Tighten thermocouple at gas control and make sure
it is securely pushed into pilot bracket. Tighten
finger tight and snug the contact nut with an
appropriate wrench.
* Defective thermocouple. * Replace thermocouple.
* Pilot orifice is plugged. * See remedy for same in Pro blem #1.
* Defective pilot safety control valve. * Replace pilot safety control valve.
* Improper gas pressure. * Set pressure according to pressure on dataplate.
3. Main burner will not * Fuel supply valves closed on heater * Open all valves.
light and at gas supply.
* Pilot light not lit. * Light the pilot.
* Burner orifice plugged. * Clean the burner orifice.
4. Burner flame lifting * Fuel pressure set too high. * Set pressure according to pressure on dataplate.
off burner.
* Blockages in burner orifice or at * Clean suspected area with soft brush, dry cloth,
primary air inlets of burner. or compressed air.
5. Heater not delivering * Gas supply valves not fully open. * Open valves completely.
maximum heat output.
* Burner orifice plugged. * Clean burner orifice with compressed air or
replace.
* L ow 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.
6. Electrode does not * Improper spark gap. * Set spark gap to
p rovide spark.
* Defective electrode or * Replace electrode.
electrode lead.
* Defective igniter. * Replace igniter.