2
TABLE OF CONTENTS
PAGE
PAGE
1 Specifications
------------------------------------------------------
3
2 Control Panel
-------------------------------------------------------
4
3 Disassembly and Assembly Instructions
-----------------
5
3.1. Access PCB -------------------------------------------------5
3.1.1. Removing the protecting box -----------------------5
3.2. Access inlet valve ------------------------------------------6
3.3. Access drain pump ----------------------------------------7
3.4. Access heater -----------------------------------------------8
3.5. Access Washing Pump -----------------------------------9
3.6. Access NTC -------------------------------------------------9
3.7. Access Flowmeter -----------------------------------------9
3.8. Access Safety Hose ------------------------------------- 10
3.9. Access Diverter Valve----------------------------------- 10
4 Block Diagram
---------------------------------------------------
11
4.1. Water Circuit----------------------------------------------- 11
5 Troubleshooting
-------------------------------------------------
13
5.1. Location----------------------------------------------------- 13
5.2. PCB---------------------------------------------------------- 15
5.2.1. View of PCB ------------------------------------------ 15
5.2.2. Description -------------------------------------------- 16
5.3. Inlet valve -------------------------------------------------- 16
5.3.1. Working Principle------------------------------------ 16
5.3.2. Possible cause of Malfunction ------------------- 16
5.3.3. Technical data ---------------------------------------- 17
5.3.4. Inspect inlet valve ----------------------------------- 17
5.4. Drain Pump ------------------------------------------------ 18
5.4.1. Working Principle------------------------------------ 18
5.4.2. Possible cause of Malfunction ------------------- 18
5.4.3. Technical data ---------------------------------------- 18
5.4.4. Inspect drain pump---------------------------------- 19
5.5. Heater ------------------------------------------------------- 20
5.5.1. Technical data ---------------------------------------- 20
5.5.2. Possible cause of Malfunction ------------------- 20
5.5.3. Inspect heater ---------------------------------------- 20
5.6. Washing Pump-------------------------------------------- 21
5.6.1. Possible cause of Malfunction ------------------- 21
5.6.2. Technical data ---------------------------------------- 21
5.6.3. Inspect Washing Pump ---------------------------- 22
5.7. Pressure Switch ------------------------------------------ 23
5.7.1. Working Principle------------------------------------ 23
5.8. NTC---------------------------------------------------------- 24
5.8.1. Working Principle------------------------------------ 24
5.8.2. Inspect NTC ------------------------------------------ 25
5.9. Flowmeter -------------------------------------------------- 26
5.9.1. Working Principle------------------------------------ 26
5.9.2. Inspect Flowmeter----------------------------------- 27
5.10. Safety Hose------------------------------------------------ 28
5.10.1. Location of Safety Hose --------------------------- 28
5.10.2. Working Principle------------------------------------ 28
5.10.3. Inspect Safety Hose -------------------------------- 29
5.11. Diverter Valve --------------------------------------------- 29
5.11.1. Work Principle---------------------------------------- 29
5.12. Error code -------------------------------------------------- 29
5.12.1. How to know which error code has
occurred ----------------------------------------------- 29
5.12.2. Attention ----------------------------------------------- 30
5.12.3. Error code symptom -------------------------------- 31
5.13. Inspection -------------------------------------------------- 32
5.13.1. E1 tree ------------------------------------------------- 32
5.13.2. E3 tree ------------------------------------------------- 33
5.13.3. E4 tree ------------------------------------------------- 34
5.13.4. E6 & E7 tree------------------------------------------ 35
5.14. Troubleshooting ------------------------------------------ 36
6 Test Method
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41
6.1. Test Program---------------------------------------------- 41
6.2. How to activate Test program ------------------------ 41
6.3. Procedure-------------------------------------------------- 42
7 Exploded View
---------------------------------------------------
43
8 Replacement Part List
----------------------------------------
51
8.1. Part List ---------------------------------------------------- 51
8.2. Packing List ----------------------------------------------- 52
Summary of Contents for NP-6R2MUQNZ-NZ
Page 11: ...11 4 Block Diagram 4 1 Water Circuit ...
Page 13: ...13 5 Troubleshooting 5 1 Location ...
Page 32: ...32 5 13 Inspection 5 13 1 E1 tree ...
Page 33: ...33 5 13 2 E3 tree ...
Page 34: ...34 5 13 3 E4 tree ...
Page 36: ...36 5 14 Troubleshooting ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...40 ...