BSH HBG633BS1, Repair Instructions

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Repair Instructions – Cooking
2017-03-23 / DIS 184_58300000197442_ARA_EN_A Copyright by BSH Hausgeräte GmbH Page 1 of 101
1 Concerning this document 3
1.1 Purpose and target group.............................................................................. 3
1.2 Other applicable documents...........................................................................3
2 Safety 4
2.1 Qualification.................................................................................................... 4
2.2 Information in warning messages...................................................................4
2.3 Basic safety instructions.................................................................................6
2.4 Grouped safety messages..............................................................................7
3 Design and function 8
3.1 Brushless direct current motor....................................................................... 8
3.2 EcoClean Direct............................................................................................11
3.3 Cooking compartment temperature sensor (Pt500 / Pt1000)....................... 12
3.4 Fold-down door.............................................................................................13
3.5 Temperature regulation in the various operating modes (60 cm wide)......... 14
3.6 Temperature regulation in the various operating modes (45 cm wide)......... 19
3.7 Clock............................................................................................................. 24
3.8 Vapour extraction system............................................................................. 25
4 Fault diagnosis 28
4.1 Result faults................................................................................................ 28
Food is not cooked.......................................................................................28
Food is heated too slowly............................................................................ 28
Cleaning action is inadequate...................................................................... 28
Pieces of dough form a skin........................................................................ 28
Food dries out.............................................................................................. 29
4.2 Malfunctions................................................................................................ 30
A short acoustic signal can be heard every 11 minutes, when the appliance
is switched off...............................................................................................30
Display is mirrored........................................................................................30
Rails - Sloping down at the back/askew...................................................... 30
Rails - Jam/become caught..........................................................................30
Baking tray/universal pan warped, bent, bounces ...................................... 31
Operating ring can be rotated easily / no change on the display................. 31
Operating ring does not respond / no display.............................................. 31
Operating ring is hard to turn / remains stuck in a specific position............. 31
Operation is not interrupted when the door is opened................................. 32
Display background white/display hard to read............................................32
Fault code is displayed.................................................................................32
Floor of cooking compartment becomes deformed during or after the drying
phase............................................................................................................ 32
Appliance does not generate any steam......................................................33
Appliance continues to heat although the setpoint temperature has been
attained......................................................................................................... 33
Brightness of microwave differs from that of the oven................................. 33
Cooling fan overruns for too long.................................................................33
Reset during operation in main menu "MyProfile"........................................34
Door (fold-down door) does not open 90°....................................................34
Clock gains > 1 minute every day................................................................34
Time - is fast / slow...................................................................................... 34
Clock loses several minutes a day.............................................................. 35
Time jumps back when switching on the appliance..................................... 35
4.3 Noise............................................................................................................ 36
Rails squeaking............................................................................................ 36
High-frequency whistling sound....................................................................36
Cooling fan motor makes a high-frequency noise........................................36
Cooling fan motor whistles at a high frequency at certain speeds............... 36
Cooling fan overrun too loud........................................................................36
Door closes loudly........................................................................................ 37
4.4 Other faults (surface defects, cracks, breaks)........................................ 38
Rails discoloured after pyrolysis...................................................................38
Baking tray/universal pan do not fit on the rails...........................................38
Control panel and/or door askew................................................................. 38
Difference in display colour/brightness.........................................................38
Difference in colour of microwave/oven turning handle................................38
Gap between panel and door varies............................................................39
Connecting sleeve of the cooking compartment seal is becoming frayed
...................................................................................................................... 39
4.5 Leaks............................................................................................................ 40
Steam escapes in the top right-hand corner................................................ 40
Water drips onto the floor or furniture when the door is opened.................. 41