Service Manual 599337A: 302B Series Titan Oven July 2006
5
3.12 SHORT ALERT .................................................................................................................................................................25
3.13 T
IME MODE ....................................................................................................................................................................25
3.14 S
HOW CLOCK..................................................................................................................................................................25
3.15 L
ANGUAGE .....................................................................................................................................................................26
3.16 O
VEN RESET ...................................................................................................................................................................26
4. DIAGNOSTICS................................................................................................................................................................
27
4.1 E
NTERING THE SALES MODE & TECHNICIAN MODE.......................................................................................................27
4.2 E
XITING THE TECHNICIAN MODE ...................................................................................................................................27
4.3 T
ECHNICIAN MODE NAVIGATION ...................................................................................................................................27
4.4 A
CCESSING TECHNICAL DATA LOG................................................................................................................................29
4.5 T
EMPERATURE RECALIBRATION .....................................................................................................................................29
4.6 T
ECHNICAL DATA LOG...................................................................................................................................................29
5. FAULT DIAGNOSTICS..................................................................................................................................................
30
5.1 SYMPTOM: O
VEN ELECTRICAL COMPONENTS ARE UNRESPONSIVE ..............................................................................30
5.2 SYMPTOM: C
ONTROL BUTTONS OR CLOCK DISPLAY NOT OPERATING CORRECTLY OR UNRESPONSIVE.......................31
5.3 SYMPTOM: T
EMPERATURE OR OVEN MODE SWITCH MODULE IS JAMMED OR LOOSE .................................................31
5.4 SYMPTOM: I
NCORRECT TEMPERATURE OR OVEN MODE DISPLAY AT CORRECT SWITCH POSITION..............................31
5.5 SYMPTOM: F
AULTY 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: O
VEN UNDER COOKING............................................................................................................................33
5.8 SYMPTOM: B
AKING BURNS ON THE TOP ......................................................................................................................33
5.9 SYMPTOM: B
AKING BURNS ON THE BOTTOM...............................................................................................................34
5.10 SYMPTOM: O
VEN SEEMS TO BE FUNCTIONING NORMALLY BUT DOES NOT HEAT .........................................................34
5.11 SYMPTOM: O
VEN HEATS SLOWLY OR FAILS TO REACH PRESET TEMPERATURE............................................................35
5.12 SYMPTOM: O
VEN LIGHTS DO NOT TURN ON / OFF.......................................................................................................35
5.13 SYMPTOM: F
AULT CODE F1 DISPLAYED IN TECH SELECT ONLY .................................................................................36
5.14 SYMPTOM: F
AULT CODE F2 DISPLAYED......................................................................................................................36
5.15 SYMPTOM: F
AULT CODE F3 DISPLAYED......................................................................................................................36
5.16 SYMPTOM: F
AULT CODE F4 DISPLAYED......................................................................................................................36
5.17 SYMPTOM: F
AULT CODE F5 DISPLAYED......................................................................................................................37
5.18 SYMPTOM: F
AULT CODE F7 DISPLAYED......................................................................................................................37
5.19 T
RACING COOLING FAN FAULTS.....................................................................................................................................37
5.20 T
RACING OVEN CAVITY FAN FAULTS...............................................................................................................................38
5.21 T
RACING OVEN LIGHT FAULTS ........................................................................................................................................38
5.22 T
RACING ELEMENT FAULTS.............................................................................................................................................39
5.23 T
RACING OVEN TEMPERATURE SENSOR FAULTS..............................................................................................................40
5.24 T
RACING THERMAL LIMITER FAULTS ..............................................................................................................................40
5.25 T
RACING OVEN DOOR SWITCH AND DOOR LOCK SWITCH FAULTS ....................................................................................41
5.26 D
ETERMINING WHICH POWER MODULE IS FAULTY IN A DOUBLE OVEN (F4 OR F5 FAULT CODES) ..................................42
6. WIRING DIAGRAMS.....................................................................................................................................................
43
6.1 D
OUBLE OVEN USA WIRING SCHEMATIC......................................................................................................................43
6.2 S
INGLE OVEN USA WIRING SCHEMATIC........................................................................................................................44
7. SERVICE PROCEDURES..............................................................................................................................................
45
7.1 R
EMOVAL FROM JOINERY CAVITY..................................................................................................................................45
7.2 C
OMPONENTS IN CONTROL PANEL AREA .......................................................................................................................45
7.3 C
OMPONENTS IN BACK PANEL AREA..............................................................................................................................46
7.4 C
OMPONENTS IN SERVICE PANEL AREA .........................................................................................................................46
7.5 R
EASSEMBLY PROCEDURE..............................................................................................................................................46
7.6 F
UNCTION AND TEMPERATURE SWITCH MODULES.........................................................................................................47
7.7 F
UNCTION AND TEMPERATURE L.C.D. MODULES AND LENSES .....................................................................................47
7.8 C
LOCK MODULE OR BUTTONS........................................................................................................................................48
7.9 P
OWER MODULE.............................................................................................................................................................49
7.10 P
OWER TRANSFORMER ...................................................................................................................................................51
7.11 T
HERMAL LIMITER & MICROTEMP LIMITER...................................................................................................................51
7.12 O
VEN TEMPERATURE SENSOR ........................................................................................................................................51
7.13 O
VEN LAMP GLASS AND BULB .......................................................................................................................................52
7.14 O
VEN LAMP ASSEMBLY..................................................................................................................................................52
7.15 O
VEN ELEMENTS ............................................................................................................................................................54
7.16 C
OOLING FAN .................................................................................................................................................................56
7.17 V
ENT FAN.......................................................................................................................................................................56