SYMPTOMS
POSSIBLE CAUSES
Excessive or low heat.
Temperature probe malfunction.
Temperature control board malfunction.
Gas pressure insufficient.
Gas orifice plugged or obstructed.
Power level may be set to low.
Mechanical timer inoperative or not functioning properly.
Interconnecting wiring malfunction.
Line voltage incorrect.
Timer malfunction.
Component cooling fan does not run.
Motor inoperable.
Interconnecting wiring malfunction.
Uneven cooking.
Convection fan motor speed/direction.
Poor combustion.
Gas pressure incorrect.
Exhaust vent plugged or obstructed.
Snorkel vent plugged or obstructed.
Air flow baffles missing or damaged.
Intermittent problems.
High ambient temperatures.
Wiring connections loose.
Cooling fan malfunction.
No power to temperature controller.
Power/Master switch in OVEN COOL position.
Door or door switch open.
No heat; LED on the controller is flashing.
Probe open or shorted.
COMPUTER CONTROL MODELS ONLY
SYMPTOM
POSSIBLE CAUSES
Oven does not heat.
High limit switch open.
Probe malfunction.
Control malfunction.
Power level control set to off.
High limit thermostat shutting off gas burner.
Probe malfunction.
Control malfunction.
Oven not hot enough.
Probe malfunction.
Control range high (rH1) setting to low. See Setup Mode
under Computer Controller (SG4C/SG6C).
ERROR CODES
CODE AND PROBLEM
PROBABLE CAUSE
SOLUTION
Er01 - ROM check sum error
Internal ROM malfunction
Cycle power.
SG4 & SG6 Series Full Size Gas Convection Ovens - TROUBLESHOOTING
F35626 Rev. B (1118)
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