Binder KBF 720 - Default Chapter; Table of Contents

Table of content
Table of content
1 Preface ............................................................................................................................................... 6
1.1 General guidelines .............................................................................................................................. 6
1.2 Syntax.................................................................................................................................................. 6
1.3 Safety instructions structure ................................................................................................................ 7
1.3.1 Safety instructions structure ................................................................................................................ 7
1.3.2 Warning levels ..................................................................................................................................... 7
1.3.3 Safety symbol ...................................................................................................................................... 8
1.3.4 Warning symbols ................................................................................................................................. 8
1.3.5 Imperative symbols ............................................................................................................................. 8
1.3.6 Information symbol .............................................................................................................................. 8
2 General safety instructions .............................................................................................................. 9
2.1 Qualification of service personnel ....................................................................................................... 9
2.2 Dangers ............................................................................................................................................. 10
3 Maintenance ..................................................................................................................................... 12
3.1 Safety check acc. to DIN VDE 0701-0702 ........................................................................................ 17
4 Troubleshooting .............................................................................................................................. 18
4.1 General electrical faults ..................................................................................................................... 19
4.2 Faults of the heating system ............................................................................................................. 21
4.3 Faults of the cooling system .............................................................................................................. 23
4.4 Functional check of the cooling system ............................................................................................ 25
4.5 Errors in the humidification module ................................................................................................... 27
5 Repair work at the housing ............................................................................................................ 34
5.1 Replacing the housing cover at the lower front ................................................................................. 34
5.2 Replacing the pen recorder (-14P1) .................................................................................................. 35
5.3 Replacing the rear panel ................................................................................................................... 36
5.4 Replacing the silicone access port .................................................................................................... 37
5.5 Replacing the castors ........................................................................................................................ 39
6 Repair work at the outer door ........................................................................................................ 41
6.1 Aligning the outer door ...................................................................................................................... 41
6.1.1 Aligning the door hinges .................................................................................................................... 41
6.1.2 Aligning the adjustable door holder lug with pulley ........................................................................... 42
6.2 Checking and replacing outer door components .............................................................................. 43
6.2.1 Dismounting the interior side of the outer door ................................................................................. 43
6.2.2 Replacing the door hinge cover ........................................................................................................ 45
6.2.3 Checking and replacing the interior side of the outer door ............................................................... 46
6.2.4 Replacing the door ............................................................................................................................ 48
6.2.5 Replacing the door contact switch (-3S1 ) ........................................................................................ 49
6.2.6 Replacing the outer door gasket ....................................................................................................... 50
6.3 Replacing the triangle instrument box ............................................................................................... 51
6.3.1 Dismantling the instrument box ......................................................................................................... 51
6.3.2 Replacing of components of the triangle instrument box .................................................................. 52
6.4 Replacing the closing device of the outer door ................................................................................. 54
7 Repair work at the inner and outer chamber ................................................................................ 56
7.1 Replacing the glass door ................................................................................................................... 56
7.2 Replacing the closing device of the glass door ................................................................................. 57
7.3 Replacing the glass door gasket ....................................................................................................... 58
7.4 Replacing the fan (-4M1) ................................................................................................................... 59
7.5 Replacing the frame gasket .............................................................................................................. 62
7.6 Checking and replacing the frame heating wire (-4E3 ) .................................................................... 63
7.7 Replacing the inner chamber and the gaskets between the inner and the outer chamber .............. 64
7.8 Testing and replacing the heating element (-4E1) ............................................................................ 66
7.9 Checking and replacing the inner chamber Pt 100 temperature sensor (-3B1)................................ 69
7.10 Checking and replacing the humidity sensor and the sensor board (-3B2) ...................................... 71
7.11 Replacing the temperature fuse 110°C / 230°F (-1F2) ...................................................................... 74
8 Repair work at electric and electronic components .................................................................... 75
8.1 Activating and replacing the miniature circuit breaker (-1F1) ........................................................... 76
4 Service Manual KBF (E5.2) 04-2015