Southbend STRG-3D, STRG-5D manual Symptom Possible Cause Cure

STRATOSTEAM COUNTERTOP STEAMER		SERVICE
Symptom	Possible Cause	Cure
Slow start up or poor cooking	Low gas pressure	Oven requires 4” WC gas pressure minimum measured at the
performance		manifold pressure tap for natural gas, and 11” WC for L.P.
Hot surface ignitor glows red but	No power to gas valve	Check for 24V from ignition box to gas valve.
burners do not come on when
	Faulty main gas solenoid	Replace gas valve.
thermostat calls for heat.
	Faulty ignition module	Replace ignition module.
	Manual shutoff valve	Open manual valve.
	closed
	Hot surface ignitor not	Reposition and retighten ignitor.
	positioned over burner
	correctly
Hot surface ignitor does not glow	No power to ignitor	Check that voltage from ignitor module to ignitor is 24V. Ignitor,
red.		when operating, should draw between 1 and 3 amps.
	Ignitor broken or cracked	Should read continuity leads. Replace ignitor if necessary.
	No power to ignition	There should be 24V AC from the transformer to the ignition
	module	module.
	No power to transformer	Check for unit voltage on the serial plate.
	Faulty power switch	Check for continuity through power switch when in on position.
		Readjust or replace as necessary.
Not all burners ignite	Burner and orifice out of	Orifice must inject gas down exact center of burner.
	alignment
	Gas pressure is too low	Oven requires 4” WC gas pressure minimum measured at the
		manifold pressure tap for natural gas, and 11” WC for L.P.
	Burner orifice is clogged	Make sure burner orifices are clear and properly sized. Natural
		gas #54, Propane #64.
Burners light but go out within a	Bad flame sensor or	Check in series in micro amps. Minimum is 0.75 micro amps,
few seconds. Ignitor will glow	improperly positioned	no maximum.
approximately 5 seconds. If
	Bad gas valve	Check power to gas valve. It should be 24V AC.
burner does not ignite, ignition
module will try three times and
then lock out.

OWNER’S MANUAL 1185290 PAGE 31 OF 50