Table of Contents
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SAFETY .................................................. 3
1.1
General hazards ...........................................................3
1.2
Electrical shock / fire hazards.....................................3
1.3
Plumbing / scalding hazards.......................................3
2
INSTALLATION ...................................... 4
2.1
Pre-Install checklist .....................................................4
2.2
Alignment .....................................................................4
2.3
Electrical connection ...................................................4
2.4
Water connection .........................................................5
2.5
Drain and condensation hose connections...............5
3
OPERATION ........................................... 6
3.1
Control layout...............................................................6
3.2
Using controls..............................................................6
3.3
3.4
Changing basic settings..............................................6
3.5
Special programs (codings)........................................8
3.6
Sales demo (showroom) program ..............................9
4
COMPONENTS..................................... 10
4.1
Control and power modules......................................10
4.2
Door latch ...................................................................10
4.3
Dispenser....................................................................11
4.4
Heat pump ..................................................................12
4.5
Drain pump .................................................................13
4.6
Float ............................................................................14
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Water inlet / condensation system ...........................14
Door spring.................................................................15
Terminal box...............................................................15
Aqua sensor ...............................................................16
Drain hose ..................................................................16
Sump parts .................................................................17
Tank with base and sump .........................................18
Serial label (warranty information) ...........................19
REPAIR................................................. 20
Access ........................................................................20
Controls ......................................................................24
Dispensers..................................................................27
Door latches ...............................................................28
Water valves ...............................................................29
Drain pumps ...............................................................30
Water inlet & condensation tube ..............................30
Sump parts .................................................................31
Inner doors .................................................................32
Door hinge levers.......................................................32
Lower door seals........................................................33
Heat pump disassembly ............................................33
Float (safety system) .................................................34
2-piece drain hose connection .................................35
FAULT DIAGNOSTICS......................... 36
Error codes (service / customer) ..............................36
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Summary of Contents for Bosch SHE4AM12U
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Page 1: Table Of Contents
Water inlet / condensation system ......14 SAFETY ..........3 Door spring..............15 General hazards ............3 Terminal box...............15 Electrical shock / fire hazards........3 4.10 Aqua sensor ...............16 Plumbing / scalding hazards........3 4.11 Drain hose ..............16 INSTALLATION ........4 4.12 Sump parts ..............17 4.13 Tank with base and sump .........18 Pre-Install checklist .............4... - Page 2 Customer service test program ........41 Troubleshooting............43 TECHNICAL SPECIFICATIONS ..50 702_58300000130262_ara_en_c Page 2 of 50...
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Page 3: Safety
The customer has the responsibility of ensuring that the SAFETY dishwasher electrical installation is in compliance with all national and local electrical codes and ordinances. The dishwasher is General hazards designed for an electrical supply of 120VAC, 60 Hz, connected to a dishwasher-dedicated, properly grounded electrical circuit with Don’t use the dishwasher until it is completely installed. -
Page 4: Installation
INSTALLATION Pre-Install checklist □ Unpack unit. Retain packing material until installation is successful. Remove packing material from inside the dishwasher. □ Inspect parts to ensure you have all the necessary materials. □ Flush household hot water supply for at least two minutes. Electrical connection □... -
Page 5: Water Connection
Drain and condensation hose connections Plumbing installations will vary - refer to local codes. The maximum length of the drain hose, including leading to an air gap (if any) is 150" (381 cm). Make sure a high loop is raised at least 20"... -
Page 6: Operation
To reset dishwasher, turn it off after it stops. Changing basic settings SHE4AM12U Extra Dry feature can be turned on or off and rinse-aid dosage can be changed using dishwasher controls. For many integrated models, End of Cycle tone volume can also be changed. - Page 7 Press “>” button to scroll between Extra Dry and Rinse Aid SHE digital modes. Press “<” button to scroll to desired setting. Press Start display SHE basic settings button to save settings and exit basic settings. d:00 Extra Dry (off) d:01 Extra Dry (on) SHE LED...
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Page 8: Special Programs (Codings)
SHX LED SHE LED SHE digital displays displays display SHE Special programs Error codes* / Functional test+ Power SHX basic settings Scrub Regular Quick Customer service test* Extra Dry (off) High voltage test* Extra Dry (on) Endurance run+ Rinse Aid (none) UL program* Rinse Aid (low) Showroom (sales demo)*... -
Page 9: Sales Demo (Showroom) Program
SHE5AM models, digital display will always show “1:23”). To scroll through programs, press “<” button. Pressing buttons will light corresponding light. Exiting sales demo program - Press and hold “>”and Delay To start programs shown with “*”, press “>” button. buttons, then turn dishwasher off to exit program. -
Page 10: Components
COMPONENTS Door latch The door latch is mounted on top of the tank and doesn’t contain Control and power modules a microswitch. It uses a Hall-effect sensor in the door to sense the door latch magnet to determine if the door is open or closed. Ascenta dishwashers have two control modules, a control module The Hall-effect sensor is held by two T-10 Torx screws. -
Page 11: Dispenser
The dishwasher won’t start if the door isn’t closed securely. Push During each wash program, the dispenser operates twice, once the door closed until the door latch closes (i.e. until the latch to dispense detergent and again to dispense rinse-aid. clicks). -
Page 12: Heat Pump
The actuator is “reset” when the detergent door is opened so the The heat pump is best accessed from the bottom even though it’s detergent cover opens first the next time the coil is activated. accessible from the back as well. Detergent tablets dissolve more slowly if there’s moisture left in the detergent dispenser. -
Page 13: Drain Pump
4.5.2 Cavitating Drain pump Cavitating may occur in any type of pump when impellers spin The BLDC 9-vane drain pump has variable speed and direction. faster (from low inlet or outlet pressure), creating air pockets The power control module controls speed and direction, detects around impellers. -
Page 14: Float
Maximum customer (external) drain hose length is 92”. Float Water inlet system and hoses are shown below. The float is a safety device which starts the drain pump if there’s too much water in the tank. 1. Condensation tube 2. Drain hose (with high loop) 3. -
Page 15: Door Spring
4.7.1 Water inlet valve Terminal box Ascenta dishwashers use standard horizontal coil water inlet All dishwashers have terminal boxes with covers and conduit valve with (Rast 5) connector. The valve nestles in the left side of exits. the base on base tabs and is held into place with two screws. 4.9.1 Terminal block Door spring... -
Page 16: Aqua Sensor
4.10 Aqua sensor 4.11 Drain hose The aqua sensor is located above the drain pump. It’s a one- Ascenta dishwashers use a two-hose (internal / external) drain piece assembly, not a small circuit board pulled out of a plastic hose system. A 92” long external drain hose is connected (during housing. -
Page 17: Sump Parts
4.11.1 Hose system 4.12 Sump parts Several hoses run underneath dishwasher bases: internal drain The sump contains a filter screen, coarse filter and micro filter. hose, condensation tube and water inlet hose. The internal drain hose connects to the sump and the other hoses connect to the water inlet / condensation system. -
Page 18: Tank With Base And Sump
4.12.1 Backflow valve 4.13.2 Rear leveling foot The backflow valve is located inside the sump at the internal drain hose inlet. It prevents waste water from entering the sump. The rear leveling foot can’t be adjusted from the front – the rear foot is the same as front feet and is adjusted the same way. -
Page 19: Serial Label (Warranty Information)
4.14.2 Understanding the 17-digit factory serial # 4.14 Serial label (warranty information) This is a more detailed serial # used by the factory for analysis of The serial label, located on the right side of the inner door, returned units. It’s located in the bottom right corner of the label. contains the dishwasher model, serial and index (KI) #’s. -
Page 20: Repair
5.1.2 Front access REPAIR Access 5.1.1 Repair access chart Use the following chart to determine how to access parts. Front Side / front Bottom serviceable - serviceable - serviceable - no removal pull out pull out & flip Part serviced needed dishwasher dishwasher... - Page 21 TIP: Outer doors with foam door guards don’t need the door mix screws when removing both fascia panel and outer guards removed unless the outer door is being replaced. door (below right). 3. To remove handles from outer doors, remove two (2) screws and washers from the inside of the door.
- Page 22 5.1.3.2 Right side access (power module) 5.1.4.2 Disconnect & pull out dishwasher The power module is accessible from the right side. Tools needed: T20 Torx & #2 Phillips screwdrivers and pliers or wrench. 1. Remove toe kick – section 5.1.4.1. 2.
- Page 23 6. Slide dishwasher out completely (below). 1. Water inlet valve 2. Sump 3. Drain pump 4. Terminal box 5. Float 6. Heat pump 7. Aqua sensor 5.1.5 Bottom access 5.1.6 Flipping dishwashers The water inlet valve (1), drain pump (3), terminal box (4), float Follow these instructions to flip dishwashers upside-down or on (5), heat pump (6) and aqua sensor (7) are accessible from the their backs for bottom access.
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Page 24: Controls
7. Whether the dishwasher is upside-down or on it’s back, all 3. Disconnect wire harnesses from control (below left). bottom accessible parts are accessible (see below). 4. Carefully pry back plastic tabs, then slide module from console (below right). 5. Replacement controls include the translucent button cover, so there’s no need to remove it. - Page 25 3. Disconnect wire harnesses from control. 5.2.2 Fascia panel mounted controls (front button models) 4. Remove handle trays (1) before removing controls (2). To Controls are easily removed from fascia panels by prying plastic remove handle trays, carefully pry in plastic clips. tabs.
- Page 26 5.2.3 Base mounted controls (power modules) 5.2.3.2 To remove base-mounted controls Power modules are located in the base on the right side of Tools needed: Flat blade screwdriver dishwashers, not behind fascia panels. So: 1. Two plastic base tabs hold the power module in place. To ...
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Page 27: Dispensers
Not all terminals are used. To protect power modules, two 5.3.1 To remove dispensers plugs are used to cover unused terminals. Tools needed: T20 Torx & flat blade screwdrivers. 1. Remove outer door – section 5.1.2.1. 2. Disconnect wire harnesses from dispenser after noting connector locations (below left). -
Page 28: Door Latches
5. Carefully push the dispenser in through the inner door (i.e. Door latches toward the dishwasher tank). The door latch is mounted on top of the tank and contains a magnet, not a microswitch. A Hall-effect sensor in the door senses the magnet when the door or closed. -
Page 29: Water Valves
5.4.2 To remove door latch 5.5.1 To remove water valve Tools needed: T20 Torx & #2 Phillips screwdrivers and pliers or Tools needed: T20 Torx & #2 Phillips screwdrivers and pliers. wrench. 1. Remove outer door – section 5.1.2.1. 1. Remove toe kick – section 5.1.4.1 2. -
Page 30: Drain Pumps
6. Remove the drain pump by rotating it clockwise and pulling it out (below left). CONNECTION HINTS: Water connection 3/8” NPT female. Inlet water pressure 7. Disconnect wire harness from drain pump (below center). range 5 - 120 psi (0.3 – 8.27 bars). ... -
Page 31: Sump Parts
5. Loosen hose clamp from water inlet hose (below left). Sump parts 6. Pull out water inlet hose from water inlet (below center). The inside of the sump is easily accessed for maintenance and 7. Pull out drain hose from water inlet (below right). cleaning drain and provides access to the drain pump cover and suction cap. -
Page 32: Inner Doors
Inner doors 5.10 Door hinge levers Inner doors rarely need to be removed for repairs, but need to be removed to access the lower door seal and door hinge lever. Tools needed: T20 Torx & #2 Phillips screwdrivers and pliers. 1. -
Page 33: Lower Door Seals
5.11 Lower door seals 5.12 Heat pump disassembly The heat pump is best accessed from the bottom of the The lower door seal is dishwasher by flipping it upside-down or on it’s back. Use the attached by two of the four same process to access the float and aqua sensor. -
Page 34: Float (Safety System)
3. Remove hose clamp to separate pump from adapter 5.13 Float (safety system) (below left). 4. Disconnect support strap (below center). Tools needed: T20 Torx, #2 Phillips & small flat blade screwdrivers. 5. To remove pump, slide pump off sump at seal ring (below right). -
Page 35: 2-Piece Drain Hose Connection
7. Carefully pull the float lever from the housing (below left). 5.14.1 Removing internal drain hose 8. Carefully pry the microswitch from the housing (below Tools needed: #2 Phillips & small flat blade screwdrivers. right). 1. Remove toe kick – section 5.1.4.1. 2. -
Page 36: Fault Diagnostics
6.1.2 Error code displays FAULT DIAGNOSTICS Error codes (service / customer) 6.1.1 Entering error code program 6.1.1.1 SHE “Evolution” models Press and hold “>” and Delay buttons, then turn dishwasher on. Left program light will flash, 2 program light from left will be lit and digital display will show “P0”). - Page 37 6.1.3 Explaining digital and LED error code displays 6.1.4 Error code troubleshooting Digital error codes only show on dishwashers with digital 6.1.4.1 No failures displays. Dishwashers without digital displays show the same LED display for many error codes, so the exact error code can’t be LED display Digital display determined.
- Page 38 6.1.4.3 Door latch error codes 6.1.4.4 Heat pump error codes (heating) LED display LED display Digital display Digital display E:06 Sensor error E:08 No load in heat pump Door latch sensor not detected, No water in heat pump functional safety error.
- Page 39 6.1.4.6 Heat pump error codes (circulating) Digital error codes E:08 – E:13 are shown with one LED display: They have LED display different causes, such as faulty Digital display heat pump, faulty power E:20 Heater error module or insufficient water ...
- Page 40 6.1.4.7 Drain pump error codes 6.1.4.9 Aqua sensor error codes LED display LED display Digital display Digital display E:28 Calibration failure E:23 Coil error Aqua sensor failed to calibrate System check of drain pump motor coil failed, functional safety error. ...
- Page 41 6.2.1.2 SHX “Integra” models Customer service test program Press and hold “<” and “>”buttons, then turn dishwasher on. 6.2.1 Entering customer service test program Regular Wash light will flash and Quick Wash light will be lit (see below). Press “<” button once to scroll to customer service 6.2.1.1 SHE “Evolution”...
- Page 42 6.2.2 Viewing customer service program Customer Service Program Displayed Can advance Water Step step Action step Time Temperature amount Remarks Check Coil Checks pumps and other components (when switched on) Drain Pump Drain pump O K Filling partly 3.0 L Checks if water level above filter level Pause Checks water level...
- Page 43 6.3.1.2 Disabled or faulty pumps Troubleshooting If the dishwasher won’t start, check if the following parts are 6.3.1 Dishwasher won’t start disconnected or disabled. If they aren’t connected, reconnect them. If faulty, replace them. 6.3.1.1 Door ajar or faulty door latch ...
- Page 44 6.3.3 Heat pump terminal measurements 6.3.4 Drain pump There are two connectors, 7-pin and 3-pin. There is a single 3-pin connector, connecting to the 3-pole BLDC pump motor. 6.3.3.1 7-pin connector (heater / NTC’s / pump ground) Resistances as follows: The 7-pin connector connects to the heat pump heater, NTC’s 1 –...
- Page 45 6.3.6 Troubleshooting chart Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) No errors No errors. E:00 Wash cycle abruptly ends pump starting Replace power module (located in base). E:01 with Clean LED glowing switching defect...
- Page 46 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) LED is flashing & dw can't E:06 defective door latch Check continuity between door switch (e1) and power module harness operate connector.
- Page 47 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) Make sure water inlet valve isn't stuck "open". Water doesn’t fill & drain Check float switch and wire harness (to power module). pump runs (cont) Aqua sensor doesn't run aqua...
- Page 48 Error Code LED's -- DW Symptoms Error Code Display (seen (from cs Active / Clean / Sanitized Solution during wash cycles) test program) Measure voltage between outer most dispenser terminals (1-3 on e3). If ≈ 13VDC, replace dispenser. If not, replace operating module. No drying No rinse aid Educate customer on using and refilling rinse aid.
- Page 49 6.3.7 Strip circuits 702_58300000130262_ara_en_c Page 49 of 50...
- Page 50 TECHNICAL SPECIFICATIONS Dishwasher ratings – 120 VAC, 60 Hz, 12 A, 1450 W Heater ratings – 120 VAC, 1200 W Circulation pump – 120 VAC, 80 W, 3-pole BLDC, class F insulation Drain pump – 3-pole BLDC, 35-65 Hz, 0.19A, 20W, class F insulation Max drain hose length –...