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HN678G4S1
BSH HN678G4S1 Manuals
Manuals and User Guides for BSH HN678G4S1. We have
1
BSH HN678G4S1 manual available for free PDF download: Repair Instructions
BSH HN678G4S1 Repair Instructions (181 pages)
Brand:
BSH
| Category:
Microwave Oven
| Size: 3 MB
Table of Contents
Table of Contents
1
1 Concerning this Document
4
Important Information
4
Explanation of Symbols
4
2 Safety
6
Qualification
6
General Safety Information
6
Product-Specific Safety Information
7
Measures after each Repair
8
3 Design and Function
9
Baking Sensor (Lambda Sensor)
9
Meat Temperature Probe (NTC)
13
Brushless Direct Current Motor
14
Steam Generation
17
Steam Generator
18
Double Pump
20
Ecoclean Direct
21
Suitability of Cookware
22
Cooking Compartment Temperature Sensor (Pt500 / Pt1000)
25
Fold-Down Door
26
Magnetron
27
Swivelling Panel
29
Temperature Regulation in the Various Operating Modes
30
Temperature Regulation in the Various Operating Modes
35
Vapour Extraction System
40
4 Fault Diagnosis
43
Result Faults
43
Food Is Not Cooked
43
Food Is Heated too Slowly
43
Cleaning Action Is Inadequate
43
Pieces of Dough Form a Skin
43
Food Dries out
44
Malfunctions
45
Rails - Sloping down at the Back/Askew
45
Rails - Flashovers/Discoloured Marks
45
Rails - Flashovers between Rail and Enamelled Baking Tray
45
Rails - Jam/Become Caught
46
Rails - Uneven Running after Pyrolysis
46
Baking Tray/Universal Pan Warped, Bent, Bounces
46
Operating Ring Can be Rotated Easily / no Change on the Display
46
Operating Ring Does Not Respond / no Display
47
Operating Ring Is Hard to Turn / Remains Stuck in a Specific Position
47
Operation Is Not Interrupted When the Door Is Opened
47
Display Background White/Display Hard to Read
47
Fault Code Is Displayed
47
Appliance Does Not Generate any Steam
48
Appliance Continues to Heat Although the Setpoint Temperature Has Been Attained
48
Brightness of Microwave Differs from that of the Oven
48
No Microwave Output / 8A Fuse was Blown
49
Folding Panel Only Opens Partially
49
Folding Panel Opens at an Angle
49
Folding Panel Does Not Close Automatically
49
Cooling Fan Overruns for too Long
49
Nefflight in the "Slide and Hide" Door Flashes Briefly
50
Reset During Operation in Main Menu "Myprofile
50
Door (Fold-Down Door) Opens During Operation (Only Microwave Appliances)
50
Door (Fold-Down Door) Cannot be Closed (Only Microwave Appliances)
50
Door (Fold-Down Door) Does Not Open 90
51
Door (Fold-Down Door) Closing Is Displayed (Only Microwave Appliances)
51
Clock Gains > 1 Minute Every Day
51
Time - ist Fast / Slow
51
Water Escapes into the Cooking Compartment Via the Steam Inlet
52
Remove Water Tank Is Displayed When the Pyrolytic Self-Clean System Is Started
52
Fill Water Tank Is Displayed Although the Tank Is Still Full
52
Increased Water Consumption When Operating in "Steaming" Mode
53
Noise
54
Rails Squeaking
54
High-Frequency Whistling Sound
54
Cooling Fan Motor Makes a High-Frequency Noise
54
Cooling Fan Motor Whistles at a High Frequency at Certain Speeds
54
Cooling Fan Overrun too Loud
54
Other Faults (Surface Defects, Cracks, Breaks)
56
Rails Discoloured after Pyrolysis
56
Baking Tray/Universal Pan Do Not Fit on the Rails
56
Control Panel And/Or Door Askew
56
Difference in Display Colour/Brightness
56
Difference in Colour of Microwave/Oven Turning Handle
56
Gap between Panel and Door Varies
57
Connecting Sleeve of the Cooking Compartment Seal Is Becoming Frayed
57
Leaks
58
Steam Escapes in the Top Right-Hand Corner
58
Water Drips Onto the Floor/Furniture (When the Door Is Opened)
59
Vapour/Condensation Escapes
59
5 Test
60
Measure the Distance between the Front Glass Panel and the Cabinet Cavity
60
Checking the Alignment of the Panel with the Door
61
Checking the Cooking Sensor (Lambda Sensor)
63
Check the Ventilation of the Appliance in the Furniture
64
Check the Meat Temperature Probe (NTC)
66
Checking the Lighting in the Cooking Compartment
69
Check the Cooking Compartment Temperature Sensor (PT1000)
71
Check the Cooking Compartment Temperature Sensor (PT500)
74
Checking Condensation
77
Magnetron Prüfen
79
Measuring Microwave Output Power
81
Checking that the Cookware Is Suitable for Microwave Use
82
Neo-Inverter Prüfen
83
Checking the Position of the Wall Socket
86
Checking the Socket of the Meat Temperature Sensor
87
Measuring the Temperature of the Operating Surfaces for Hot Air at 220 °C
88
Measuring the Temperature of the Operating Surfaces for Pyrolysis Level 3
90
Measuring the Temperature of the Operating Surfaces for Grilling Level 3
92
Measuring the Temperature of the Appliance Surfaces for Hot Air at 200 °C
94
Measuring the Temperature of the Appliance Surfaces for Pyrolysis Level 3
97
Measuring the Temperature of the Furniture Surfaces for Hot Air at 220 °C
100
Measuring the Temperature of the Furniture Surfaces for Pyrolysis with Level 3
102
Measuring the Temperature in the Cooking Compartment for Hot Air at 200 °C
104
Measuring the Temperature in the Cooking Compartment for Pyrolysis Level 1
106
Check the Heat-Resistance of the Fitted Units
108
Checking the Vapour System
109
6 Repairs
111
Remove the Lambda Sensor on the Lambda Module
111
Removing and Installing the Baking Sensor Module (Lambda Module)
112
Removing and Installing the Fascia (Swivelling Panel)
113
Installing and Removing the Control Panel
114
Removing and Installing the Control Power Module
115
Removing and Installing the Steam Generator
116
Removing and Installing the Steam Generator
117
Flashing and Coding
118
Removing and Installing the Interior Light (Roof)
120
Install and Remove Cabinet Upper Section
121
Installing and Removing the Cabinet Back Panel
122
Installing and Removing the Cabinet Side Panel (Left)
123
Installing and Removing the Cabinet Side Panel (Right)
124
Remove and Install the Appliance
125
Removing and Installing the Hot-Air Fan
126
Removing and Installing Interior and Intermediate Glass Panels and Reflectors
128
Adjusting the Fold-Down Door
131
Adjusting the Fold-Down Door Safety Switch
139
Dismantling and Assembling the Fold-Down Door
145
Dismantling and Assembling the Fold-Down Door
148
Removing and Installing the Contact Spring of the Nefflight
152
Removing and Installing the Cooling Fan Motor
154
Removing and Installing the Bearing of the Guiding Rod
155
Removing and Installing the Power Module
157
Removing and Installing the Magnetron
158
Removing and Installing the NEO Inverter
159
Remove and Connect the Mains Cable
161
Removing and Installing the Deflector
162
Removing and Installing the PT500
163
Schwenkblende Aus- und Einbauen
164
Removing and Installing the Slide+Hide Door
166
Removing and Installing the Meat Temperature Probe Socket
168
Removing and Installing the Door's Guide Bushing
169
Removing and Installing the Door's Left-Hand or Right-Hand Plastic Guide
171
Emergency Unlock the Door
173
Removing and Installing the Door Hinge
174
Removing and Installing the Door Hinge
176
Removing and Installing the Door Hinge
177
Removing and Installing the Door's Swivel Handle
178
Removing and Installing the Vapour Valve
180
Removing and Installing the Vapour Valve Motor
181
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