HALF-SIZE CONVECTION OVENS - TROUBLESHOOTING

39
GAS OVENS

SYMPTOM POSSIBLE CAUSES

No power to oven controls. 1. Unit unplugged
2. Power switch inoperative.
3. 12/6 volt transformer inoperat ive. (Electronic
control)
No oven operation; power to controls. 1. Door switch open or inoperative.
2. Solid state relay malfuncti on. (Electronic
control)
3. Blower motor malfunction.
4. Electronic control malf unc t ion.
Gas does not ignite; no spark. 1. 24 volt transformer not f unc t ioning.
2. Spark ignition control inoperativ e or not
grounded.
3. Solid state control or probe malfunc t ion.
4. Electronic control or probe inoperativ e.
5. Centrifugal switch in blower motor inoper at ive.
Oven is slow to heat or not hot enough. 1. Gas pressure not correct.
2. Control malfunction.(soli d stat e or electronic)
4. Probe inoperative.
5. Blower motor malfunction.
6. Check orifice.
Gas ignites, but will not maintain flame. 1. Insufficient gas pressure.
2. Flame sensor not positioned in flame.
3. Spark ignition control malf unction.
4. Check orifice.
Sparks but does not ignite. 1. Manual gas valve of f.
2. Gas valve malfunct ion.
3. Spark ignition control inoperativ e.
Electronic control does not function. 1. See "ELECTRONIC CONTROL" in "SERVICE
PROCEDURES AND ADJUSTMENTS".
Door does not seal or will not shut properly. 1. Doors out of adjustment.
2. Door seals inoperative.
3. Door latch malfunction.