Bosch 300 Series Service Manual - Page 2

Browse online or download pdf Service Manual for Oven Bosch 300 Series. Bosch 300 Series 36 pages. Built-in wall ovens
Also for Bosch 300 Series: Instructions For Use Manual (40 pages), User Manual (21 pages), Installation Manual (6 pages), Installation Manual (36 pages), Installation Manual (32 pages), Use And Care Manual / Installation Instructions (40 pages), Operating Instructions Manual (50 pages), Quick Start And Safety Manual (7 pages), Installation Manual (28 pages), Quick Start Manual (7 pages), Use And Care Manual (32 pages), Quick Start And Safety Manual (7 pages), Quick Start And Safety Manual (13 pages)

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Bosch 300 Series Service Manual

TABLE OF CONTENTS

1
General ........................................................................................ 3
1.1
Models................................................................................... 3
1.2
Features and Options............................................................ 3
1.3
Data Plate.............................................................................. 4
1.4
Warranty................................................................................ 4
2
Operation..................................................................................... 4
2.1
Element Duty Cycles ............................................................. 4
2.1.1
2.2
Sequence of Events .............................................................. 5
2.3
Cooling Fans ......................................................................... 7
3
Component Accessibility........................................................... 8
3.1
Serviceable from Front .......................................................... 8
3.2
Serviceable from Top ............................................................ 8
3.3
Serviceable from Rear........................................................... 8
4
Service and Repair ..................................................................... 8
4.1
Doors..................................................................................... 8
4.1.1
Removing and Replacing the Door(s) ............................ 8
4.2
Door Latch/Motor Assembly .................................................. 9
4.3
Lamps.................................................................................. 10
4.3.1
Replacing Lamps ......................................................... 10
4.4
High Temperature Cutout (HTC) ......................................... 11
4.5
Convection Fan and Ring Element...................................... 11
4.6
Temperature Sensor ........................................................... 12
4.6.1
Setting Temperature Offsets ........................................ 12
4.7
Broil Element ....................................................................... 13
4.8
User Interface...................................................................... 13
4.8.1
Removing the User Interface ....................................... 14
4.9
PC Control Module (Relay Board)....................................... 15
4.10
Power Supply Module...................................................... 18
4.11
Halogen Light Transformer(s).......................................... 18
4.12
Convection Fan Motor ..................................................... 18
4.13
Bake Element (Upper Oven)............................................ 18
4.13.1
Removing the Bake Element........................................ 18
4.13.2
Reinstalling the Bake Element ..................................... 19
4.14
Cooling Fan Motor (Upper Oven) .................................... 19
5
Error Codes .............................................................................. 19
5.1
Error Code Table ................................................................ 19
5.2
Service Mode / Setting Option Code .................................. 20
5.2.1
HBL3/HBN3 ................................................................. 20
5.2.2
HBL5/HBN5 ................................................................. 21
5.2.3
HBL8............................................................................ 21
5.3
Option Codes ...................................................................... 22
6
Demo Mode............................................................................... 22
7
Troubleshooting....................................................................... 22
7.1
Fault Tree Diagram ............................................................. 23
7.2
Fault Tree ........................................................................... 25
7.3
Testing ................................................................................ 33
8
Wiring Diagrams and Schematics .......................................... 33
8.1
Wire Color Key.................................................................... 33
8.2
Strip Diagrams .................................................................... 34
9
Additional References ............................................................. 34
9.1
QuickFinder ........................................................................ 34
9.2
Technical Support............................................................... 34
Service Manual for Bosch Built-in Wall Ovens
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