Vulcan-Hart ECO2D Convection Oven User Manual


 
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 inoperative. (Electronic
control)
No oven operation; power to controls. 1. Door switch open or inoperative.
2. Solid state relay malfunction. (Electronic
control)
3. Blower motor malfunction.
4. Electronic control malfunction.
Gas does not ignite; no spark. 1. 24 volt transformer not functioning.
2. Spark ignition control inoperative or not
grounded.
3. Solid state control or probe malfunction.
4. Electronic control or probe inoperative.
5. Centrifugal switch in blower motor inoperative.
Oven is slow to heat or not hot enough. 1. Gas pressure not correct.
2. Control malfunction.(solid state 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 malfunction.
4. Check orifice.
Sparks but does not ignite. 1. Manual gas valve off.
2. Gas valve malfunction.
3. Spark ignition control inoperative.
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.