20
Sun Blast HD
Troubleshooting
PROBLEM
1. Pilot will not light.
2. Pilot 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.
5. Electrode does not
provide spark
6. Burner will not lights but
pilot will stay ON when pilot
button is released.
Owner's Manual • Sun Blast HD
CAUSE
* Propane gas container is empty.
* Fuel supply valves closed.
* Excess flow valve in P.O.L. fitting on propane
regulator is closed.
* Safety control button not fully pushed in.
* Burner or pilot orifice is plugged.
* Restriction in gas hose.
* Air in gas line.
* Safety control valve is defective.
* Defective spark igniter or electrode.
* Restriction in gas hose.
* Insufficient time allowed for thermocouple to
heat up.
* Loose thermocouple.
* Defective thermocouple.
* Orifice is plugged
* Defective safety control valve.
* Improper gas pressure
* Defective tip switch
* Bad connection at tip switch
* Heater is not level
* Fuel pressure set too high.
* Blockages in burner orifice or at primary air
inlets of burner.
* Gas supply valves not fully open.
* Burner orifice plugged.
* Low fuel supply pressure.
* Improper spark gap.
* Defective electrode or electrode lead.
* Defective push button igniter.
* If using LP gas, container is low or empty
* Pilot knob is not positioned to ON
* Burner orifice is plugged
* Thermostat is set too low
CURE
* Fill container.
* Open fuel supply valves.
* Close propane container valve. Wait 5
minutes and open container's valve slowly.
* Push in button completely.
* Clean or replace orifice.
* 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: Heaters with push button
Piezo Igniter: 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 the thermocouple
* See remedy for same in Problem #1
* Replace safety control valve.
* Set pressure according to pressure on
dataplate.
* Replace tip switch
* Check connection, repair or replace
* Level the heater
* Set pressure according to pressure on
dataplate
* Clean area with soft brush, dry cloth, or
compressed air.
* Open valves completely.
* 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.
* Set spark gap to instructions.
* Replace electrode.
* Replace igniter
* Refill or replace LP gas container
* Turn pilot knob to the ON position
* Clean burner orifice with compressed air or
replace
* Turn the thermostat to a higher setting