Suburban RV range and cooktop fault codes
Normal: the oven burner runs full until temperature, then drops to a small flame to hold it.
Suburban range: Main burner won't light
No gas to the burner. Pilot must be lit first. Check orifice and pressure to the main burner; replace the oven control if bad.
Suburban range: Main burner flutters
Air or pressure. Adjust air shutter; check pressure and orifice.
Suburban range: Pilot pops/goes out while baking
Pilot burner, control or tubing. Check pilot burner, gas pressure from control to pilot, kinks or leaks.
Suburban range: Poor baking
Usually setup. Preheat 10+ minutes; vent not blocked; sensing bulb in its clip at the top of the oven; thermostat is factory calibrated and NOT field adjustable.
Suburban range: Burner won't light
Ports or pressure. Clean ports with a small wire or pin (don't enlarge, never a wire brush). Check propane pressure.
Suburban range: Won't light with piezo
Ignition. Piezo wires at the electrodes; electrode spark; piezo itself. Battery spark models use 1 AAA.
Suburban range: Flame lifts off
Pressure too high. Have pressure checked (11-14 in. W.C.).
Suburban range: Yellow flame (sealed burners)
Alignment. Orifice holder bracket out of position relative to the burner tube.
Learn the system
Practice it on a service call
Guided diagnosis
Full field guide: Suburban RV range and cooktop
Codes come from the maker manuals and public service sheets. Your model's own chart always wins, and LP and 120 volt work belongs to a qualified technician.