Samsung AE050JXYDEH, Service Manual

Contents

1. Precautions ..............................................................................................................................................3

  1-1 Precautions for the Service ..........................................................................................................................................3
  1-2 Precautions related to static electricity and PL ...................................................................................................3
  1-3 Precautions for the Safety ............................................................................................................................................4
  1-4 Precautions for handling a system containing refrigerants .........................................................................5
  1-5 Precautions for the brazing .........................................................................................................................................5
  1-6 Precautions for charging refrigerants .....................................................................................................................5

2. General Overview ................................................................................................................................6

  2-1 Features of the System ..................................................................................................................................................6
   

2-1-1 Key features of the Monobloc ..........................................................................................................................7

  2-2 Product Specifications ...................................................................................................................................................8
   

2-2-1 MONO Unit ...............................................................................................................................................................8

  2-3 Specifications of optional items ................................................................................................................................9
   

2-3-1 Accessories ................................................................................................................................................................9

3. Disassembly and Reassembly

 .........................................................................................................................

11

  3-1 EHS Control Kit ...............................................................................................................................................................12
  3-2 Outdoor Unit ...................................................................................................................................................................14

4. Troubleshooting

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23

  4-1 Wired remote controller .............................................................................................................................................23
  4-2 Troubleshooting by symptoms ..............................................................................................................................26
   

4-2-1 Communication error after finishing Tracking ......................................................................................26

  4-3  Control Kit ........................................................................................................................................................................27
   

4-3-1  EEPROM error  .....................................................................................................................................................27

4-3-2  

 :  Error due to abnormal data of Wired remote controller thermistor value ............................28

4-3-3   

:  Error due to abnormal data of Water outlet thermistor value ..............................29

4-3-4  

 :  Error due to abnormal data of DHW tank thermistor value ...................................30

4-3-5  Control Kit temperature sensor(open/short) ........................................................................................31

4-3-6  Communication error after finishing Tracking(Hydro unit) ............................................................32

  4-4  Items to check before diagnostics .......................................................................................................................33
   

4-4-1  Test run mode and view mode ....................................................................................................................33

4-4-2  Troubleshooting for outdoor unit ..............................................................................................................34

  4-5  Troubleshooting by symptoms .............................................................................................................................36 
   

4-5-1 Communication error after finishing tracking (E202) ........................................................... 36

4-5-2 Time out (1min.) of communication error between MAIN PBA and INV. PBA (E203) ............ 37