Bosch 800 Series Service Manual - Page 2

Browse online or download pdf Service Manual for Oven Bosch 800 Series. Bosch 800 Series 36 pages. Built-in wall ovens
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Bosch 800 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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