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ELECTRIC COMBI OVENS - TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSES
Form 24659 (September 1999) Printed in USA
Inner door glass breaks. 1. Glass installed incorrectly with conductive side toward
oven cavity. See “OVEN DOOR” under “REMOVAL AND
REPLACEMENT OF PARTS”.
Steam generator drains continually. 1. Relay board malfunction (K3, K5).
2. Oven control board malfunction.
Cavity fan motor squeaks. 1. Motor seal - grease is dry or dirty.
2. Motor shaft rubbing against the opening in the rear of the
cavity.
NOTE
: This may only occur when the cavity is at a high
temperature. If this is true, then remove the motor and
inspect the shaft for scratches..
3. Motor malfunction.
Cavity lamp not working. 1. Lamp inoperative.
2. Power wires to lamp loose or not connected to
transformer (1T).
3. Transformer (1T) malfunction.
4. Relay board malfunction (K3 relay).
5. Oven control board malfunction.
Steam leaks around door. 1. Door not sealing or locking properly. See “OVEN DOOR
ADJUSTMENT” under “SERVICE PROCEDURES AND
ADJUSTMENTS”.