Siemens KG39EAI43 - Page 2

Flow noise.....................................................................................................35
Clicking sounds .............................................................................................36
Swishing noises.............................................................................................36
Vibration noises.............................................................................................36
Injection noises on the evaporator ..................................................................37
Abnormal noises............................................................................................37
Excessive noise measured by customer using smartphone app .......................38
Odour ...........................................................................................................39
Typical plastic smell.......................................................................................39
Strong smell of food.......................................................................................39
Musty smell in case of prolonged periods being out of operation ......................40
Off-odors coming from the appliance exterior ..................................................40
Result problem ..............................................................................................41
Drinking water tastes stale .............................................................................41
Temperature problem ....................................................................................41
Complete over icing of the evaporator.............................................................41
Icing up / condensation on side panels............................................................42
Build-up of ice at a single point.......................................................................42
Icing up on input of evaporator .......................................................................43
Frost on dryer................................................................................................44
Frost on suction pipe .....................................................................................45
Icing up on no-frost evaporator.......................................................................45
Measuring technology.......................................................................46
6.1
Measuring temperature inside the appliance ...................................................46
6.1.1
Temperature measurement with data logger.......................................46
6.1.2
Temperature measurement without data logger ..................................47
6.2
Nominal temperature graph............................................................................48
6.3
Checking temperature indicator (Sticker "OK") ................................................49
6.4
Measuring energy consumption......................................................................49
Test...........................................................................................................50
7.1
Performing customer service test program ......................................................50
7.2
Tracing leakage in refrigeration circuit.............................................................51
7.3
Checking compressor (quick test)...................................................................52
7.3.1
Checking compressor input current ....................................................52
7.3.2
Checking speed on the inverter module ...............................................52
7.3.3
Checking resistance values of compressor motor windings ...................52
7.4
Checking stop valve ........................................................................................53
7.4.1
Checking stop valve for leaks ..............................................................53
7.4.2
Checking stop valve function...............................................................53
7.4.3
Measuring stop valve power consumption............................................53
7.4.4
Measuring suction pressure ................................................................53
Repair.......................................................................................................54
8.1
Inside Lokring technology ................................................................................54
8.1.1
Hints for Lokring installation ................................................................54
8.1.2
Using Lokring pliers ............................................................................54
8.1.3
Handling Lokring pliers with two pivots.................................................54
8.1.4
Changing Lokring pliers jaw ................................................................55
8.1.5
Selecting correct Lokring.....................................................................55
8.1.6
Using Lokprep ....................................................................................55
8.1.7
Using capillary tube pliers ...................................................................55
8.1.8
Checking dryer capsule ......................................................................56
8.1.9
Installing reducing connector...............................................................56
8.1.10
Connecting capillary tube ....................................................................56
8.1.11
Connecting dryer and capillary tube.....................................................56
8.1.12
Connecting aluminium and copper pipes..............................................57
8.1.13
Making one-sided pressed connection .................................................57
8.1.14
Installing NTR connection (Y-pipe) (part 1)...........................................57
8.1.15
Installing NTR connection (Y-pipe) (part 2)...........................................57
8.1.16
Connecting T-piece with Schrader valve ..............................................58
8.1.17
Repairing too short compressor tube ...................................................58
8.2
Rinsing refrigeration circuit ..............................................................................59
8.3
Repairing refrigeration circuit (R600a) ..............................................................60
8.3.1
Replacing dryer and compressor .........................................................60
8.3.2
Disposing compressor oil ....................................................................61
8.3.3
Preparing refrigerant (R600a)..............................................................61
8.3.4
Evacuating refrigeration circuit (R600a) ...............................................61
8.3.5
Filling refrigeration circuit (R600a) .......................................................63
8.4
Repairing refrigeration circuit (R134a) ..............................................................64
8.4.1
Replacing dryer and compressor .........................................................64
8.4.2
Disposing compressor oil ....................................................................65
Repair manual-Refrigeration
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