Roberts Gorden TF-250, TF-350, TF-300, TF-120, TF-200, TF-160, TF-380 service manual Troubleshoot Ends

Yes

Does the

burner light?

No	Were the gas lines	No
	purged of air?

Yes

Is the inlet gas pressure

during ignition correct? Yes (Natural 5.0" min.,

LP should be 12.0")

No

Check gas line stop cock.

Contact gas company.

No

		Check for obstructions in
		orifices and air plates
		inside the burner.
		Yes
		Is the gas outlet pressure
Purge Lines.		3.5" for Natural Gas
		(10.5" for LP)?
		Yes
Measure voltage on valve		Is there gas outlet
terminals. Is there 24 V	Yes	pressure available during
during ignition time?		the ignition period?
No		No
Are the wires connecting		Is the knob on the gas valve
the ignition module OK?		in the ON position?
Yes		No

No	Adjust the
	valve pressure.

Yes Replace gas valve.

		Replace/correct wires.
Yes
Does the burner		Are the wires
	No	connecting the module	Yes
stay on?
		and electrodes OK?
		No
		Replace/correct wires.
Yes
Does the burner turn off		Check the thermostat and
	No	check the continuity of
when the call for heat
		the ground wire.
ends?
Yes
TROUBLESHOOT ENDS.		Contact
If problems persist, contact
ROBERTS GORDON®		Roberts-Gordon LLC
Independent Distributor.		at www.rg-inc.com.

55

Replace ignition module.	Turn valve ON.
Replace ignition module.

SECTION 13: TROUBLESHOOTING