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Troubleshooting information – L.B. White 200 Norseman User Manual

Page 14

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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.