Service Manual 599337A: 302B Series Titan Oven July 2006
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3.12 SHORT ALERT .................................................................................................................................................................25
3.13 TIME MODE ....................................................................................................................................................................25
3.14 SHOW CLOCK..................................................................................................................................................................25
3.15 LANGUAGE .....................................................................................................................................................................26
3.16 OVEN RESET ...................................................................................................................................................................26
4. DIAGNOSTICS ................................................................................................................................................................27
4.1 ENTERING THE SALES MODE & TECHNICIAN MODE.......................................................................................................27
4.2 EXITING THE TECHNICIAN MODE ...................................................................................................................................27
4.3 TECHNICIAN MODE NAVIGATION ...................................................................................................................................27
4.4 ACCESSING TECHNICAL DATA LOG................................................................................................................................29
4.5 TEMPERATURE RECALIBRATION .....................................................................................................................................29
4.6 TECHNICAL DATA LOG...................................................................................................................................................29
5. FAULT DIAGNOSTICS..................................................................................................................................................30
5.1 SYMPTOM: OVEN ELECTRICAL COMPONENTS ARE UNRESPONSIVE..............................................................................30
5.2 SYMPTOM: CONTROL BUTTONS OR CLOCK DISPLAY NOT OPERATING CORRECTLY OR UNRESPONSIVE.......................31
5.3 SYMPTOM: TEMPERATURE OR OVEN MODE SWITCH MODULE IS JAMMED OR LOOSE .................................................31
5.4 SYMPTOM: INCORRECT TEMPERATURE OR OVEN MODE DISPLAY AT CORRECT SWITCH POSITION..............................31
5.5 SYMPTOM: FAULTY TEMPERATURE OR OVEN MODE L.C.D. MODULES .....................................................................32
5.6 SYMPTOM: “DOORLOCK”
AND “PROBE” SHOWING FOR LOWER CAVITY (DOUBLE OVEN ONLY)............................32
5.7 SYMPTOM: OVEN UNDER COOKING ............................................................................................................................33
5.8 SYMPTOM: BAKING BURNS ON THE TOP ......................................................................................................................33
5.9 SYMPTOM: BAKING BURNS ON THE BOTTOM...............................................................................................................34
5.10 SYMPTOM: OVEN SEEMS TO BE FUNCTIONING NORMALLY BUT DOES NOT HEAT .........................................................34
5.11 SYMPTOM: OVEN HEATS SLOWLY OR FAILS TO REACH PRESET TEMPERATURE............................................................35
5.12 SYMPTOM: OVEN LIGHTS DO NOT TURN ON / OFF.......................................................................................................35
5.13 SYMPTOM: FAULT CODE F1 DISPLAYED IN TECH SELECT ONLY .................................................................................36
5.14 SYMPTOM: FAULT CODE F2 DISPLAYED......................................................................................................................36
5.15 SYMPTOM: FAULT CODE F3 DISPLAYED......................................................................................................................36
5.16 SYMPTOM: FAULT CODE F4 DISPLAYED......................................................................................................................36
5.17 SYMPTOM: FAULT CODE F5 DISPLAYED......................................................................................................................37
5.18 SYMPTOM: FAULT CODE F7 DISPLAYED......................................................................................................................37
5.19 TRACING COOLING FAN FAULTS.....................................................................................................................................37
5.20 TRACING OVEN CAVITY FAN FAULTS...............................................................................................................................38
5.21 TRACING OVEN LIGHT FAULTS ........................................................................................................................................38
5.22 TRACING ELEMENT FAULTS.............................................................................................................................................39
5.23 TRACING OVEN TEMPERATURE SENSOR FAULTS..............................................................................................................40
5.24 TRACING THERMAL LIMITER FAULTS ..............................................................................................................................40
5.25 TRACING OVEN DOOR SWITCH AND DOOR LOCK SWITCH FAULTS....................................................................................41
5.26 DETERMINING WHICH POWER MODULE IS FAULTY IN A DOUBLE OVEN (F4 OR F5 FAULT CODES) ..................................42
6. WIRING DIAGRAMS.....................................................................................................................................................43
6.1 DOUBLE OVEN USA WIRING SCHEMATIC......................................................................................................................43
6.2 SINGLE OVEN USA WIRING SCHEMATIC........................................................................................................................44
7. SERVICE PROCEDURES..............................................................................................................................................45
7.1 REMOVAL FROM JOINERY CAVITY..................................................................................................................................45
7.2 COMPONENTS IN CONTROL PANEL AREA .......................................................................................................................45
7.3 COMPONENTS IN BACK PANEL AREA..............................................................................................................................46
7.4 COMPONENTS IN SERVICE PANEL AREA .........................................................................................................................46
7.5 REASSEMBLY PROCEDURE..............................................................................................................................................46
7.6 FUNCTION AND TEMPERATURE SWITCH MODULES.........................................................................................................47
7.7 FUNCTION AND TEMPERATURE L.C.D. MODULES AND LENSES .....................................................................................47
7.8 CLOCK MODULE OR BUTTONS........................................................................................................................................48
7.9 POWER MODULE.............................................................................................................................................................49
7.10 POWER TRANSFORMER ...................................................................................................................................................51
7.11 THERMAL LIMITER & MICROTEMP LIMITER...................................................................................................................51
7.12 OVEN TEMPERATURE SENSOR ........................................................................................................................................51
7.13 OVEN LAMP GLASS AND BULB .......................................................................................................................................52
7.14 OVEN LAMP ASSEMBLY..................................................................................................................................................52
7.15 OVEN ELEMENTS ............................................................................................................................................................54
7.16 COOLING FAN .................................................................................................................................................................56
7.17 VENT FAN.......................................................................................................................................................................56