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11.0 CASE HISTORY
11.1 Common Door Related Problems
SYMPTOM
OVEN DISPLAYS COOK DOOR OPEN OR FILTER DOOR OPEN WHEN COOK DOOR AND FILTER DOOR ARE CLOSED.
CORRECTIVE ACTION
1.
REQUIRES COOK DOOR OR FILTER DOOR ALIGNMENT (TOO MUCH PLAY).
2.
DOOR HANDLE LATCH MECHANISM NOT FUNCTIONING PROPERLY.
3.
DEFECTIVE DOOR HANDLE.
4.
DEFECTIVE MICROSWITCH OR NEED PROPER ALIGNMENT (CHECK ALL INTERLOCK SWITCHES IN THE OVEN).
SYMPTOM
OVEN DOOR DIFFICULT TO OPEN.
CORRECTIVE ACTION
1.
VERIFY OVEN DOOR RING DOES NOT INTERFERE WITH SCREEN BASKET INSIDE THE OVEN.
2.
VERIFY DOOR SLIDE RAIL HARDWARE IS TIGHT AND BEARINGS ARE ROLLING FREELY.
3.
VERIFY BEARING ASSEMBLIES ARE NOT EXCESSIVELY WORN OR DAMAGED.
SYMPTOM
OVEN DOOR DIFFICULT TO OPEN AND CLOSE.
CORRECTIVE ACTION
1.
VERIFY MOVABLE WALL IS NOT LOOSE AND IS CORRECTLY ADJUSTED.
2.
VERIFY COOKING RING IS NOT LOOSE.
3.
VISUALLY INSPECT SLIDE BEARING ASSEMBLIES. IF BEARING ASSEMBLIES ARE DIRTY, CLEAN AND REINSTALL.
IF SPOOLS ARE DEFECTIVE, REPLACE WITH NEW SPOOLS.
4.
VERIFY ROD ASSEMBLIES ARE NOT LOOSE OR MISADJUSTED.
5.
IF DOOR HANDLE IS NOT CLOSING PROPERLY, REMOVE DOOR COVER AND INSURE DOOR SPRINGS ARE NOT
BROKEN.
6.
IF DOOR DOES NOT CLOSE COMPLETELY:
A.
REMOVE DOOR COVER AND INSURE THAT THE THREE CENTER BOLTS AND INTERNAL ACORN NUTS ARE
TIGHT. IF LOOSE THE DOOR MUST BE READJUSTED TO THE MATING FLANGE ON THE OVEN.
B.
CHECK DOOR BOTTOM COVER HARDWARE FOR TIGHTNESS.
C.
ADJUST DOOR LATCH MECHANISM.
D.
CHECK MOVEABLE WALL TO INSURE THAT IT HAS NOT SLID BACK CAUSING INTERFERENCE.
SYMPTOM
OVEN DOOR DETACHES FROM OVEN.
CORRECTIVE ACTION
1.
VERIFY DOOR SLIDE RAIL HARDWARE IS TIGHT AND DOOR STOPS ARE WORKING PROPERLY.
2.
REPLACE DOOR STOPS.
11.2 Miscellaneous Problems
SYMPTOM
NO DISPLAY.
CORRECTIVE ACTION
1.
CHECK AUXILIARY FUSES.
2.
POWER SUPPLY 240 VAC INPUT AND 24 VDC OUTPUT.
3.
CHECK FOR A POSSIBLE SHORT IN THE CIRCUIT FOR THE POWER SUPPLY (CHASSIS IS 24 VDC GROUND).
4.
CHECK FOR LOOSE CONNECTORS OR WIRES.
5.
CHECK FOR PROPER INSTALLATION OF SOFTWARE (EPROM).
TurboChef, Inc.
700-0655.DOC Rev B February 15, 1997
Page 50 of 62
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