Troubleshooting - L.B. White Sun Blast CR125AZPA220206 Manuel De L'utilisateur

Troubleshooting Information
PROBLEMS
1. Pilot will not light.
2. The pilot lights, but will not
stay lit when pilot button
is released.
3. Pilot lights, but not the
main burner.
4. Heater not delivering
maximum heat output.
5. Pilot stays lit but main burner * Improperly sized LP gas supply
goes out.
16
CAUSES
* Fuel supply valves closed.
* Pilot button not fully depressed.
* Pilot orifice is plugged.
* Inlet screen at pilot orifice is
plugged.
* Restriction in gas hose or
pilot line.
* Air in gas line.
* Defective pilot safety control valve.
* No spark at electrode.
* Restriction in gas hose or pilot line.
* Insufficient time allowed for pilot
light to heat up thermocouple.
* Loose thermocouple.
* Defective thermocouple.
* Pilot orifice is plugged.
* Defective pilot safety control valve.
* Improper gas pressure.
* If using LP gas, container is low or empty. * Refill or replace container.
* Safety control valve not positioned to ON.. * Position the control to ON.
* Burner orifice plugged.
* Gas supply valves not fully open.
* Burner orifice plugged.
REMEDIES
* Open fuel supply valves.
* Depress pilot button completely.
* Clean or replace pilot orifice.
* Clean or replace screen.
* Remove hose or pilot line from heater and blow
out with compressed air or replace if necessary.
* Depress pilot button (normally 30 seconds is
sufficient) on pilot valve to purge air from
line (usually necessary at time of installation).
* Replace pilot safety control valve.
* Refer to igniter and electrode service instruction section
for problems associated with these parts.
* See remedy for same cause in Problem #1.
* Hold in pilot button for 30 seconds to allow proper
warm up.
* 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.
* Replace thermocouple.
* See remedy for same in Problem #1.
* Replace pilot safety control valve.
* Set pressure according to pressure on dataplate.
* Clean the burner orifice.
* Open valves completely.
* Clean burner orifice with compressed air or replace.
* Resize to larger LP gas supply