Bosch Appliances 4306 manual

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Table of contents for the manual

  • Page 1

    BO SC H Dishwasher Repair Manual F OR M OD E LS: SHI 43 02 43 06 680 2 680 5 6806 SHU 3 002 3006 3 012 3016 4 002 4006 4 016 4022 4 026 4036 43 02 43 06 4312 4316 53 02 53 04 53 05 53 06 5312 5314 5315 5316 680 2 680 5 6806 SH V 43 03 4 803 BS H Home Appliances 28 00 South 25th A venue Broadview, Illinois 60153 Effective: December 1, 199 8 1st Edit[...]

  • Page 2

    Intr oduction T his Repair Manual is designed to assist you in the evaluation, diagnosis and repair of the current SH I, S H U and S HV model dishwasher series. T o better underst and these appliances, their operation and construction we suggest that you read this manual thoroughly before attempting any repairs. All information is current at the ti[...]

  • Page 3

    H 1 T able of Contents Description Page Section 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arranty / T echnical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Model / Serial Number Location . .[...]

  • Page 4

    2 H S E RVICE R E M I N DE R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Description Page Section 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Left Side Access . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 5

    H 3 Section 1 Description Page W arranty / T echnical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Model / Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Product Overview . . . . . . . . . . . . . .[...]

  • Page 6

    4 H W arranty / T echnical Specific ations Warranty 1 st Y ear Parts & Labor . 2 nd Y ear Parts only. 3 rd – 5 th Y ear Electronic Boards, parts only. 3 rd – 5 th Y ear Racks, parts only. This does not include rack wheels; silverware baskets or plastic shelving. Lifetime Stainless Steel. Must receive a special authorization before attemptin[...]

  • Page 7

    H 5 Model / Serial Number Location Fig. 1-1 Fig. 1-2 Located on the right hand side of the Inner Door is the Model and Serial number tag, Fig. 1-1. The Model and Serial numbers can be found on the left side of the tag within the black outline box, Fig. 1-2. T he Model Number for this unit is SH U 5312 U C/ U0 6. Located just under the Model Number [...]

  • Page 8

    6 H Product Overview Drain Motor Lower Spray Arm Upper Spray Arm Aqua Sensor NT C Flow Switc h Circulation Motor / Pump Flow T hrough Heater Impeller Cover Fig. 2-1 T he B osc h dishwasher utilizes a two motor system with separate Circulation and Drain Motors, and a Flow Through Heater controlled by a Flow Switc h and NT C Thermistor . W ith some m[...]

  • Page 9

    H 7 Overhead Spray Upper Spray Arm Coupling Feed T ube Lower Spray Arm Sump Flow Through Heater Aqua Sensor Fig. 2-2 Pr oduct Overview[...]

  • Page 10

    8 H Notes[...]

  • Page 11

    H 9 Section 2 Description Page Operation, SH U 3002 / 3 006 / 3 012 / 3 016 / 4002 / 4 00 6 / 4016 / 4 022 / 4 026 / 4 03 6 . 10 Cycle Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Operation, SH I 4302 / 43 0 6 SH U 4302 / 43 06 / 4312 / 4316 . . . . [...]

  • Page 12

    10 H Fig. 3-1 Fig. 3-2 Operation S H U 3002/3 006/3012/3 0 16/4002/ 4 006/401 6/ 4 022/ 4026/4036 The SH U 30** and 40** are both mechanical units that operate using a basic Timer and Selector Switc h. T O OP E RA TE EITH E R M O DE L, (a SH U 4 006 is shown): Fig. 3-2. First select a cycle by pushing the corresponding Cycle Button in. The Cycle Bu[...]

  • Page 13

    H 11 Cycle Chart S HU 3 002/3006/3 012/3 016 / 4 002/ 400 6/ 4016/ 4 022/ 4026/403 6 Delicate cycle not used on S H U 3 002/3 006/3 0 12/30 16 Drying 85 6.55 24.75 78 6.55 24.75 10 1.19 4.5 Rinse-aid 161˚F Rinse W ash 161˚F Pre-wash 70 5.3 6 20.25 T ype of dishware e.g. china, pots/pans, cutlery , glasses, etc. W ash cycle Cycle sequence Cycle de[...]

  • Page 14

    12 H Fig. 3-3 Fig. 3-4 Operation S H I 4302/ 43 06 S H U 4302/ 430 6 / 4312/ 431 6 T he S HI or S H U 43** series operates using an electronic Control Unit. T O O P E RA TE: Fig. 3-3. First depress the On/Off Button until it loc ks in place. Fig. 3-4. Once the On/Off Button is depressed the LE D above the previously used cycle will illuminate. T o [...]

  • Page 15

    H 13 Drying Rinse-aid 161 ˚ F Second Rinse Drying Rinse-aid 161 ˚ F 99 26.9 80 20.4 10 4.5 First Rinse Second Rinse W ash 161 ˚ F Pre-wash 125 ˚ F 85 22.7 T ype of dishware e.g. china, pots/pans, cutlery , glasses, etc. W ash cycle Cycle sequence Cycle det ails Duration in minutes W ater consumption in gallons W ater consumption in liters T ype[...]

  • Page 16

    14 H Fig. 3-5 Fig. 3-6 Operation S H U 53 02/5304/530 5/530 6/5312/53 14/53 15/53 16 The SH U 53** series operates using an electronic Control Unit. T O O PE RA TE: Fig. 3-5. First depress the On/Off Button until it locks in place. Fig. 3-6. Once the On/Off Button is depressed the LE D above the previously used cycle will illuminate. T o change the[...]

  • Page 17

    H 15 Cycle Chart S H U 53 02/5304/530 5/530 6/53 12/5314/53 15/53 16 Drying Rinse-aid 161 ˚ F Second Rinse Drying Rinse-aid 161 ˚ F 99 7 .1/5 26.9/18.9 70 3.6/2.5 13.5/9.5 10 1.2/0.8 4.5/3.2 First Rinse Second Rinse W ash 161 ˚ F Pre-wash 125 ˚ F 80 5.4/3.8 20.4/14.4 85 6/4.2 22.7 /15.9 T ype of dishware e.g. china, pots/pans, cutlery , glasses[...]

  • Page 18

    16 H Fig. 3-7 Fig. 3-8 Operation S H I / SH U 6 8 02/68 05/680 6 The SH I / S H U 68** series operates using an electronic Control Unit. T O O PE RA TE: Fig. 3- 7 . First depress the On/Off Button until it locks in place. Fig. 3-8. Once the On/Off Button is depressed the LE D above the previously used cycle will illuminate. T o change the cycle, si[...]

  • Page 19

    H 17 Cycle Chart S H I / SH U 6 8 02/68 05/680 6 Quick W ash Drying Rinse-aid 14 0 ˚ F Rinse W ash 10 4 ˚ F Drying Rinse-aid 161 ˚ F Second Rinse Drying Rinse-aid 161 ˚ F 99 7 .1/5 26.9/18.9 70 3.6/2.5 13.5/9.5 10 1.2/0.8 4.5/3.2 First Rinse Second Rinse W ash 161 ˚ F Pre-wash 125 ˚ F 30 2.7 /1.9 10.5/7 .4 80 5.4/3.8 20.4/14.4 85 6/4.2 22.7 /[...]

  • Page 20

    18 H Notes[...]

  • Page 21

    H 19 Section 3 Description Page Rack System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 – 21 Interior F eatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 – 25 Detergent / Rinse-Agent D[...]

  • Page 22

    20 H Fig. 4-1 Fig. 4-2 Fig. 4-3 Rack System Rack configurations for individual dishwasher models will vary . However , all Racks are constructed from a steel wire grid with a gray nylon outer covering. Note: Racks may discolor due to the water supply or types of food remaining on the dishes. W e recommend that a vinegar wash be used to assist in re[...]

  • Page 23

    H 21 Rack System Fig. 4-4 Fig. 4-5 Attached to the Upper Rack is the Upper Spray Arm Assembly . T he Upper Spray Arm can be removed from the Upper Spray Arm Assembly for cleaning or replacement by turning the Arm Nut counter-clockwise, Fig. 4-4. And then bringing the Arm down and off the Arm Assembly , Fig. 4-5.[...]

  • Page 24

    22 H Fig. 5-1 Interior F eatures 1 2 3 7 2 4 6 5 Interior features for all model dishwasher covered in this repair manual are identical. Those features include: 1. Strike Plate. The Strike Plate is in a fixed position and cannot be adjusted. 2. Upper Rac k Rails and Guide Rollers. 3. Door Gasket 4. Lower Spray Arm 5. Filter B asket 6. Filter Screen[...]

  • Page 25

    H 23 Fig. 5-2 Fig. 5-3 Interior F eatures Fig. 5-4 Fig. 5-5 Fig. 5-6 T he Door Gasket is press fit into a channel molded around the T ank. Note: T wo inc hes of overlap are left at each end of the Gasket to insure a proper seal. T he Upper Rack Rails are made of stainless steel with a plastic end cap. T o remove the Rail, disengage the End Cap by a[...]

  • Page 26

    24 H Interior F eatures Fig. 5-11 Fig. 5-12 1 2 2 Fig. 5-7 Fig. 5-8 W ater Level Fig. 5-9 Fig. 5-10[...]

  • Page 27

    H 25 Interior F eatures Fig. 5- 7 T he operating water level of the dishwasher is at appro ximately the upper edge of the filter basket. Fig. 5-8 T he Lower Spray Arm is press fit into the Feeder T ube Soc ket. T o remove the Arm, grasp the Arm Hub and pull up until the Arm disengages from the Socket. T he Arm or Arm Soc ket can now be c hecked for[...]

  • Page 28

    26 H Fig. 6-3 Fig. 6-2 Detergent / Rinse-Agent Dispenser 1 2 Located on the Inner Door is the Detergent / Rinse Agent Dispenser , Fig. 6-1. T he Dispenser Housing is one assembly cont aining three individual components. Rinse Agent Dispenser . Detergent Cup. Steam V ent. Note: Mechanical operation and removal of the Dispenser is shown in Section 4.[...]

  • Page 29

    H 27 W ashability / Drying WASHAB I LIT Y T here are four factors that play a critical role in W ashability: Time, T emperature, W ater and Detergent. It is important when attempting to determine the cause of a W ashability complaint that all four factors be considered and tested. T ime: T he duration of the program is accurate (see cycle chart). T[...]

  • Page 30

    28 H Service Reminder From this point in the manual only the technical features and components of the S HU 5312 will be demonstrated. However , due to the overwhelming similarities between the model S H U 5312 and the remaining B osc h Dishwasher line, you will be able to easily diagnose and repair all current B osc h model S H U, S H I and S HV Di[...]

  • Page 31

    H 29 Section 4 Description Page Outer Door Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Door Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Dispenser Operation . . . . . . .[...]

  • Page 32

    30 H Outer Door Removal Fig. 7-1 Fig. 7-2 Fig. 7-4 Fig. 7-3 T o remove the Outer Door , open the door and remove the six T -20 T orx screws located three on each side of the Inner St ainless Door , Fig. 7 -1. Return the door back to its upright position, and bring the bottom of the Door Panel out toward you, then slide the top of the panel down and[...]

  • Page 33

    H 31 Door Compoments 4 9 8 4 9 1 7 6 2 3 5 Fig. 7-5 Once the Outer Door has been removed the following components become visible. 1. Dispenser Assembly 2. Condens ation T ube 3. Upper W iring Harness 4. Door Guards 5. Door Seal 6. Bituminious Insulation 7 . Cloth Fiber Insulation Also note the T oe Kic k, item 8, and the T oe Kick Mounting Screws, [...]

  • Page 34

    32 H Dispenser Operation Fig. 8-1 Fig. 8-2 Fig. 8-3 Fig. 8-4 2 1 1 W hen the Dispenser requires Rinse Agent a Magnetic Float, Fig. 8-3, item 1, will lower and draw the contacts of a Reed Switch, Fig. 8-3, item 2, together . This completes the circuit, and activates the Refill Rinse Agent LE D located on the Facia Panel. T o remove the Reed Switch, [...]

  • Page 35

    H 33 Dispenser Removal Fig. 8-5 Fig. 8-6 If required, the Dispenser Assembly can be replaced as a complete unit. T O R E M O VE: First remove the: Upper Rack (Section 3, Fig. 4-3). W iring Connectors for the PT C Actuator , Reed Switch and Condensation T ube. T he Condens ation T ube is inserted into the right side of the Dispenser with a gasket se[...]

  • Page 36

    34 H Facia Assembly Fig. 9-2 Fig. 9-3 Fig. 9-1 IM P ORT ANT SE RVI C E NO TE: T he Facia Assembly cannot be removed unless the Outer Door is removed first. See section 4, Fig. 7 -1. F AC IA A S SE M B L Y R E M O V AL: After removing the Outer Door , remove the six T -20 T orx screws securing the Facia Assembly to the Inner Stainless door , Fig. 9-[...]

  • Page 37

    H 35 F acia Assembly Fig. 9-5 Fig. 9-4 Fig. 9-6 Fig. 9-7 1 2 3 1 2 W ith the Facia Assembly removed from the unit, it can be further separated into two assemblies. T o separate, release the four locking t abs and bring the Facia Frame up from the Facia Console, Fig. 9-4. T he Facia Frame houses three components: Item 1, On/Off Switc h. Item 2, Door[...]

  • Page 38

    36 H Notes[...]

  • Page 39

    H 37 Section 5 Description Page Base Components – Front Accessible: Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . 38 Circulation Motor Capacitor . . . . . . . . . . . . . . . . . . . 3 8 Leveling Legs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 W ater V alve . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 40

    38 H Base Components – Fr ont Accessible Fig. 10-2 Fig. 10-1 7 = 6 5 4 8 33 1 2 9 = 1 T he electrical connection, item 1, is a three wire hook-up that is secured with wire-nuts. The color code is as follows: Black = Hot W hite = Neutral Green = Ground The Circulation Motor Capacitor , item 2, is a 10uf-Start/ Run Capacitor held to the Circulation[...]

  • Page 41

    H 39 Base Components – Fr ont Accessible Fig. 10-3 Fig. 10-4 Fig. 10-5 Fig. 10-6 2 1 The front Leveling Legs can be adjusted by inserting a regular tipped screwdriver into the foot slot and turning the leg in the desired direction. The Rear Leg Adjustment Screw , item 1, allows the single Rear Leveling Leg to be adjusted from the front of the uni[...]

  • Page 42

    40 H Base Components – Fr ont Accessible Fig. 10-7 Fig. 10-8 1 1 2 Service note: T o provide the required access that will allow the Drain Motor to be replaced, the Lower Access Panel must be removed, and as previously mentioned the Outer Door Panel should also be removed. As demonstrated in Figs. 10- 7 and 10-8, with the Lower Access Panel remov[...]

  • Page 43

    H 41 Base Components – Fr ont Accessible Fig. 10-9 Fig. 10-1 0 Fig. 10-11 Fig. 10-12 Fig. 1 0-13 1 2 Cut A way View 3 1 2 A B T o remove the Drain Motor , item 1, first remove the Sump Fill Hose, item 2, by pulling it out from the Sump and side inlet connections (see Fig. 10-10) T his cut away view shows: Item 1, Drain Motor . Item 2, Drain Motor[...]

  • Page 44

    42 H Service Reminder From this point forward, all service procedures demonstrated in the remainder of this repair manual, will require the dishwasher to be disconnected and removed from the cabinet for servicing.[...]

  • Page 45

    H 43 Section 6 Description Page Left Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Left Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 W ater Inlet / Disc harge Sys[...]

  • Page 46

    44 H L eft Side Access Fig. 1 1-2 Fig. 1 1-3 Fig. 1 1-1 A B L EFT SID E P A NEL REMO V A L: Remove the two T -20 T orx screws located on the top and bottom of the Left T rim Strip, Fig. 11-1, and then slide the T rim Strip up and off the unit. Figs. 11-2 and 11-3 T he Side Panel is press fit onto the Front and Rear Corner Blocks of the dishwasher .[...]

  • Page 47

    H 45 L eft Side Components Fig. 1 1-4 2 3 5 6 7 4 1 1 8 W ith the Left Side Panel removed you now have access to the following components: 1. Corner Blocks. 2. Cloth Fiber Insulation Panel. 3. Drain Hoses. 4. W ater Chamber. 5. Inlet W ater Line. 6. W ater Level Housing Assembly . 7 . Sump Fill Hose. 8. Left Hinge.[...]

  • Page 48

    46 H Fig. 12-2 Fig. 12-3 Fig. 12-4 Normal Fill Over Fill Base Float W ater Inlet / Dischar ge System – Operation Fig. 12-1 12 3 4 5 8 6 7 9[...]

  • Page 49

    H 47 W ater Inlet / Dischar ge System – Operation WA TE R SY STE M OP E RA TION: Fig. 12-1 is a close up view of the complete W ater Systems. F I LLI N G NOR MAL OP E R A TI ON (Fig. 12-2) Fresh water is brought in by the W ater V alve and through the Inlet W ater Line, item 3. T he incoming water is then directed into the W ater Level Housing As[...]

  • Page 50

    48 H W ater Inlet / Dischar ge System – Removal Fig. 12-7 Fig. 12-8 Fig. 12-9 Fig. 12-10 T he W ater Level Switch and Diaphragm are replace as one assembly . T o replace, bend the small retaining t ab out away from the assembly . T hen remove the wiring connector and slide the assembly up and out from the W ater Level Housing. T he Float Switch, [...]

  • Page 51

    H 49 Section 7 Description Page Right Side Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 0 Right Side Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 NT C Operation . . . . . . . . . [...]

  • Page 52

    50 H Right Side Access Fig. 13-1 Fig. 13-2 RI GHT SID E P ANEL RE MO V AL : Remove the two T -20 T orx screws located on the top and bottom of the Left T rim Strip, Fig. 13-1, and then slide the T rim Strip up and off the unit. T o remove the panel, refer to Section 6, Figs. 11-2 and 11-3.[...]

  • Page 53

    H 51 Right Side Components Fig. 13-3 1 2 4 5 3 W ith the Right Side Panel removed, you now have access to the following components. 1. Circulation Pump / Motor . 2. B ase W iring Connectors. 3. Flow Switch. 4. Heater Assembly. 5. NT C. COM PON E NT EX PLANA TION: Circulation Pump / Motor . The Circulation Pump / Motor can be replaced from the right[...]

  • Page 54

    52 H NT C Operation Fig. 14-1 Located on top of the Heater Assembly is the NT C (Negative T emperature Coefficient), Fig. 14-1. The NT C uses resistance to control wash and rinse water temperature and is connected with two green leads. As water temperature increases, the NT C records the decrease in resistance. The Control Unit Logic Board measures[...]

  • Page 55

    H 53 NT C Removal Fig. 14-2 Fig. 14-3 Fig. 14-4 T o replace the NT C, first remove the Right Side Panel, Outer Door and T oe Kick, Fig. 14-2. T hen, remove the two Front Base Mounting Screws, Fig. 14-3. And the single Rear Base Mounting Screw, Fig. 14-4.[...]

  • Page 56

    54 H NT C Removal Fig. 14-7 Fig. 14-6 Fig. 14-5 Next, remove the Hinge Cover … and, unhook the Pulley Arm from the Hinge by lifting it up … and then off the Hinge.[...]

  • Page 57

    H 55 NT C Removal Now , from inside the dishwasher remove the Lower Spray Arm, Filter Basket and Screen, then remove the two screws that attach the Feeder T ube to the Sump, item 1. And the two Sump Clamps, item 2. W ith the block in place you now have the required access to replace the NT C. Service note: T he Circulation Pump / Motor can also be [...]

  • Page 58

    56 H NT C Removal Fig. 1 4-1 1 Fig. 14-12 As demonstrated in Figs. 14-11 and 14-12, raising the T ank provides the necessary access space required to remove either the NT C or the Circulation Pump / Motor . Service note: W hen re-seating the T ank make sure to c heck that it is inserted squarely bac k into the pump and seated properly .[...]

  • Page 59

    H 57 NT C Removal Fig. 14-1 5 Fig. 14-13 Fig. 14-1 4 2 1 Cut Away V iew 1 2 T he NT C is held in place by two loc king tabs, items 1 and 2. T o remove the NT C from the Heater Assembly , unhook the front tab, item 1, and lift the NT C up slightly on that side, holding the t ab open as you lift. Once the NT C has been removed make sure to retrieve t[...]

  • Page 60

    58 H Notes[...]

  • Page 61

    H 59 Section 8 Description Page T ank Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 0 – 62 Base Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Circulation Pump / Motor Rem[...]

  • Page 62

    60 H T ank Removal Fig. 15-1 Fig. 1 5-2 Fig. 15-3 1 2 In order to gain full access to the Circulation Pump / Motor , Heater Assembly and Aqua Sensor the T ank must be removed. T o remove the T ank, st art by removing the Outer Door , Left and Right Side Panels, and T oe Kick, leaving the unit as shown in Fig. 15-1. Next, disconnect the Upper W irin[...]

  • Page 63

    H 61 T ank Removal Fig. 15-6 Fig. 15-4 Fig. 15-5 T hen on both the left and right sides, remove the Hinge Covers … and then off the Hinges. and unhook the Pulley Arms from both Hinges by lifting them up …[...]

  • Page 64

    62 H T ank Removal Fig. 15-9 Fig. 15-7 Fig. 15-8 2 1 1 Fig. 15- 7 Now on both the left and right sides remove the T -20 T orx T ank Mounting Screws, item 1, and the Door Hinge Pivot tab, item 2. Fig. 15-8 T o remove the Door Hinge Pivot T ab, insert your T -20 T orx bit into the T ab and bring the screwdriver down releasing the tab. Ser vice no te:[...]

  • Page 65

    H 63 Base Components Fig. 16-1 4 3 2 1 T he T ank can now be removed from the B ase. Service note: Once removed, lay the T ank on its back so as not to damage the tank bottom. W hen re- seating the T ank make sure to c hec k that it ’ s inserted squarely back into the Sump and seated properly . W ith the T ank removed you now have access to the f[...]

  • Page 66

    64 H 2 1 Circulation Pump / Motor Removal Fig. 16-4 Fig. 16-2 Fig. 16-3 Fig. 16-5 3 2 4 1[...]

  • Page 67

    H 65 Circulation Pump / Motor Assembly Fig. 16-6 Fig. 16-7 CI RCU LA TION P U M P / MO T OR R E MO V AL: Disconnect the four wire leads, then grasp the Circulation Motor and turn clockwise a quarter turn until the Motor stops, Fig. 16-2. Now , remove the Motor / Rear Pump Assembly from the Front Pump Housing, Fig. 16-3. Note: T he Front Pump Housin[...]

  • Page 68

    66 H Drain Motor Lower Spray Arm Upper Spray Arm Aqua Sensor NT C Flow Switc h Circulation Motor / Pump Flow T hrough Heater Impeller Cover Heater Assembly Removal Fig. 16-8 Fig. 16-9 Fig. 1 6-1 0 3 1 4 2[...]

  • Page 69

    H 67 Heater Assembly Fig. 16-11 Fig. 1 6-12 1 2 3 4 6 7 T he Heater Assembly , Fig. 16-8 is a flow through design, taking water in from the Circulation Pump and then sending it out the two disc harge outlets to the Upper and Lower Spray Arms, Fig. 16-10. HE A T ER A SSEMB L Y REM O V A L : See Fig. 16-9, first remove all wiring leads and the two se[...]

  • Page 70

    68 H Aqua Sensor Fig. 1 6-13 Fig. 16-1 4 T he Aqua Sensor turbidity measuring device, Fig. 16-13, which is available only on select models, evaluates the pre-wash water using a beam of light and a pick-up sensor . If the beam passes easily through the pre-wash water then no additional wash water is added. If the beam cannot pass through, then the p[...]

  • Page 71

    H 69 Door Spring Removal Fig. 1 6-1 8 Fig. 16-1 5 Fig. 16-1 6 Fig. 16-17 T he Door Springs are located on the bottom of the Base, Fig. 16-15, and operate via a Spring Cable and Reel that counter balances the weight of the Outer Door , Fig. 16-16. If a Door Panel Kit is applied to the dishwasher , the factory springs must be replaced with the heavy [...]

  • Page 72

    70 H Notes[...]

  • Page 73

    H 71 Section 9 Description Page W iring Diagrams / Sc hematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7 2 — 84 Description Diagrams T est Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SH I 430 2 SH [...]

  • Page 74

    72 H Diagram 1 S H I / U 43 — MODE L S T o begin the test program, press the P O W E R SCR U B P LUS and R EG U LAR W AS H buttons both in at the same time as you turn the unit on by pressing the O N/ OFF button. W hen released the LE D ’ s for the two programs will begin flashing. T o check all LED indicator lamps press the S CR U B W ASH butt[...]

  • Page 75

    H 73 Diagram 2 M F 1 M 1 M 1 M 1 u6 u8 161 ˚ F e6 e5 PT C L permanent split capacitor motor N u4 b3 12 11 10 9 8 7 6 5 4 4 3 12 21 24 43 a a 1 b b 2 4 1 3 b a a a b b b 5 6 1 2 a 24 1 r1 m2 m3 m1 A2 s2 e0 N L1 a1 u5 u3 f4 f1 h1 b2 140 ˚ F f3 b1 u2 185 ˚ F f5 current path Symbol Key current path a1 MAI N SWITCH 2 e0 DOOR S WIT CH 3 A2 AC TUA T O [...]

  • Page 76

    74 H Diagram 3 e0 Selector Switch – b WHG N-u-4b WH-f4 G YR D-u-6b VT -u-8b G N-u-6a VTB K -u-2a 123456 b. b. b. b. b. b. On / Off Switch – a1 Door Switch – e0 WH RD-l6-9 B K -l1-L1 WH RD-A2 WH-l1-N WHVT -u-4 R D-l6-5 2 1 3456 h1 a1 Timer – u YE-f4 R D-A2 B K -m2-1 WHG N-b-1 VTB K -b-5 G YB K -e5-1 WH RD-A2 m1 B U-l6-4 G Y -l6-1 VT -b-3 G Y[...]

  • Page 77

    H 75 Diagram 4 W ASH ST ALL R I NSE ST ALL 12345 1 6 61 8 7 8 9 1 01 11 21 31 41 5 1 7 1 92 02 1 4 2 22 23 24 25 26 37 47 27 28 35 32 29 30 3 1 33 34 36 38 39 40 4 1 43 44 45 46 48 49 50 51 5 2 53 54 55 56 5 7 60 58 59 60 60 60 60 240 240 240 60 5 5 45 U U f4+5 60 55 f3+5 60 60 f1+55 f1+5 30 30 240 f1+55 f1+5 60 60 30 30 230 f3+5 f3/f4+5 180 60 60 [...]

  • Page 78

    76 H Diagram 5 M F 1 M 1 M 1 M 1 u6 u8 161 ˚ F e6 e5 PT C L N u4 b3 12 11 10 9 8 7 6 5 4 4 3 12 21 24 43 a a 1 b b 2 4 1 3 b a a a b b b 5 6 1 2 a 24 1 r1 m2 m3 m1 A2 s2 e0 N L1 a1 u5 u3 f4 f1 h1 b2 140 ˚ F f3 b1 u2 185 ˚ F f5 current path Symbol Key current path a1 MAI N SWITCH 2 e0 DOOR S WIT CH 3 A2 AC TUA T O R (Dispenser) 7 e6 FLO A T SWITC[...]

  • Page 79

    H 77 Diagram 6 e0 Selector Switch – b WHG N-u-4b WH-f4 G YR D-u-6b BNBK -u-8b G N-u-6a VTB K -u-2a 123456 b. b. b. b. b. b. On / Off Switch – a1 Door Switch – e0 WH RD-l6-9 B K -l1-L1 WH RD-A2 WH-l1-N WHVT -u-4 R D-l6-5 2 1 3456 h1 a1 Timer – u B KB U-f4 R D-A2 B K -m2-1 WHG N-b-1 VTB K -b-5 G YB K -e5-1 WH RD-A2 m1 B U-l6-4 G Y -l6-1 BNBK [...]

  • Page 80

    78 H Diagram 7 W ASH ST ALL R I NSE ST ALL 12345 1 6 61 8 7 8 9 1 01 11 21 31 41 5 1 7 1 92 02 1 4 2 22 23 24 25 26 37 47 27 28 35 32 29 30 3 1 33 34 36 38 39 40 4 1 43 44 45 46 48 49 50 51 5 2 53 54 55 56 5 7 60 58 59 60 60 60 60 240 240 240 60 5 5 45 U U f4+5 60 55 f3+5 60 60 f1+55 f1+5 30 30 240 f1+55 f1+5 60 60 30 30 230 f3+5 f3/f4+5 180 60 60 [...]

  • Page 81

    H 79 1 1 1 1 1 1 1 M 1 M 1 M 1 X1 X2 l4 76 32 1 1 34 56 2 e0 12.7 -1 f2-f4 12.6-1/2 12.5 12.9 12.8 A1 12.2 12.4 12.4-1 12.7 -2 12.4-2 185 ˚ F A2 12 8 7 3 NT C 4 2 1 1 4 4 e3 e5 F N L1 a1 Control Unit m2 m3 e6 s2 f1 f5 r1 12.1-1 12.1-2 12.1-3 dependent on equipment 1 Symbol Key a1 ON /OFF S WIT CH e0 DOOR S WIT CH A1 AC TUA T O R (Upper Basket) A2 [...]

  • Page 82

    80 H Control Unit – l2 On/Off Switch – a1 Door Switch – e0 Float switch – e6 Electrical Supply – l1 Heating Element – r1 Flow Switch – e5 Drain Motor – m3 Ground – PE Actuator – A2 Circulation Motor – m2 W ater Solenoid – s2 W ater Level Switch – f1 NT C – f2 & f4 / Thermostat – f5 W iring Connectors – I5 & I[...]

  • Page 83

    H 81 Reed Switch – e3 Control Unit – l2 On/Off Switch – a1 Door Switch – e0 Float Switch – e6 Electrical Supply – l1 Heating Element – r1 Flow Switch – e5 Drain Motor – m3 Ground – PE Actuator – A2 Circulation Motor – m2 W ater Solenoid – s2 W ater Level Switch – f1 NT C – f2 & f4 / T hermostat – f5 W iring Conne[...]

  • Page 84

    82 H Reed Switch – e3 Control Unit – I2 On/Off Switch – a1 Door Switch – e0 Float Switch – e6 Electrical Supply – l1 Heating Element – r1 Flow Switch – e5 Drain Motor – m3 Ground – PE Actuators – A1 & A2 Circulation Motor – m2 W ater Solenoid – s2 W ater Level Switch – f1 NT C – f2 & f4 / Thermostat f5 W iring [...]

  • Page 85

    H 83 Diagram 12 1 1 1 M 1 M 1 M 1 X2 21 1 1 34 4 56 2 2 f2-f4 12.7 -1/2 12.3-1/2 12.8 12.6 A1 12.1 12.4-3 12.4-1 12.5-1 185 ˚ F A2 13 NT C 2 2 1 4 e3 e5 P N L1 a1 e1 m2 Control Unit m3 e6 s2 f1 f5 r1 12.2-3 12.4-2 12.2-2 12.5-2 SHV 4 803 only 1 Symbol Key a1 O N /OFF SWITCH e0 DO OR SWITCH A1 AC TUA T O R (Upper Basket) A2 AC TUA T O R (Dispenser)[...]

  • Page 86

    84 H Diagram 13 VT -m2-3 Reed Switch – e3 Control Unit — I2 On/Off Switch – a1 Door Switch – e0 Float Switch – e6 Electrical Supply – l1 Heating Element – r1 Flow Switch – e5 Drain Motor – m3 Ground – PE Circulation Motor – m2 W ater Solenoid – s2 W ater Level Switch – f1 NT C – f2 & f4 / T hermostat – f5 W iring C[...]

  • Page 87

    BS H Home Appliances 28 00 South 25th A venue Broadview, Illinois 60153[...]