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702_58300000130262_ara_en_c

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6.3.6

Troubleshooting chart

DW Symptoms

(seen

during wash cycles)

Error Code Display

(from cs

test program)

Error Code LED's --

Active / Clean / Sanitized

Solution

No errors

E:00

No errors.

E:01

pump starting /

switching defect

Replace power module (located in base).

Wash cycle abruptly ends
with

Clean

LED glowing

dw runs without

heating

E:02

defective working relay

(power module problem)

E:03

defective heating relay

E:20

heat pump winding

resistance is wrong

Check continuity between heat pump

(m2)

and power module harness

connector.

Wash cycle abruptly ends
with

Clean

LED glowing

Measure heat pump resistance between any 2 terminals. If

≈

Ω

room temp, replace power module. If not, replace heat pump.

E:21

heat pump is blocked /

clogged

Remove debris / obstructions from heat pump.

(heat pump problem)

If pump impeller is stuck, replace heat pump.

(drain pump problem)

E:23

drain pump winding

resistance is wrong

Check continuity between drain pump

(m3)

and power module harness

connector.

Measure drain pump resistance between any 2 terminals. If

≈

Ω

room temp, replace power module. If not, replace drain pump.

E:24

dw won't drain

Remove garbage disposal plug.

Make sure drain hose is < 150” and includes a 20” high loop.

Unclog house drain line.

Remove debris / obstructions from drain pump.

E:25

drain pump is blocked or

sump drain pump cover is
missing

Remove sump drain pump cover and confirm drain pump impeller is
turning freely.

Make sure sump drain pump cover is seated correctly

(see Section

6.3.5)

Содержание Ascenta SHE4AM12U

Страница 1: ...ess 20 2 5 Drain and condensation hose connections 5 5 2 Controls 24 3 OPERATION 6 5 3 Dispensers 27 5 4 Door latches 28 3 1 Control layout 6 5 5 Water valves 29 3 2 Using controls 6 5 6 Drain pumps 30 3 3 Reset Cancel drain 6 5 7 Water inlet condensation tube 30 3 4 Changing basic settings 6 5 8 Sump parts 31 3 5 Special programs codings 8 5 9 Inner doors 32 3 6 Sales demo showroom program 9 5 10...

Страница 2: ...6 2 Customer service test program 41 6 3 Troubleshooting 43 7 TECHNICAL SPECIFICATIONS 50 702_58300000130262_ara_en_c Page 2 of 50 ...

Страница 3: ... customer has the responsibility of ensuring that the dishwasher electrical installation is in compliance with all national and local electrical codes and ordinances The dishwasher is designed for an electrical supply of 120VAC 60 Hz connected to a dishwasher dedicated properly grounded electrical circuit with a fuse or breaker rated for 15 amps Electrical supply conductors shall be a minimum 14 A...

Страница 4: ...ise or counter clockwise to lower Maximum height with feet fully extended is 34 5 Place dishwasher upright then level side to side and front to back When done insert leg leveler locking screw in back foot Regardless of countertop surface mounting brackets are attached on the side of dishwashers They are screwed into screw bosses on the side dishwasher frame then into the cabinetry 2 3 Electrical c...

Страница 5: ...e hot water connection Make sure the line doesn t contact any moving parts 2 5 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 51 cm above the floor Drain hose has its own adapter connect directly to plumbing connection ...

Страница 6: ...ust enough to expose buttons Wait about one minute for dishwasher to stop draining with integrated models door must be closed for dishwasher to drain To reset dishwasher turn it off after it stops SHE4AM02UC 3 4 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 volum...

Страница 7: ...g Extra Dry mode When lights are flashing release buttons Press button to scroll between Extra Dry Rinse Aid and Cycle Tone Volume modes Press button to scroll to desired setting Press Start button to save settings and exit basic settings SHE LED displays SHE basic settings Extra Dry off Extra Dry on Rinse Aid none Rinse Aid low Rinse Aid medium Rinse Aid high SHE Extra Dry SHE lights Clean Saniti...

Страница 8: ...ed with the Start button don t run these programs Run only programs shown in bold type error codes customer service sales demo 3 5 2 SHX Integra models To enter Special programs press and hold and buttons then turn dishwasher on When Special programs are accessed Regular Wash light will flash and Quick Wash light will be lit see below SHE LED displays SHE Special programs Error codes Functional te...

Страница 9: ...isplays will be lit on SHE5AM models digital display will show P7 Using sale demo program Press button to start program Active and Regular Wash lights will always be lit on SHE5AM models digital display will always show 1 23 Pressing buttons will light corresponding light Exiting sales demo program Press and hold and Delay buttons then turn dishwasher off to exit program Pressing on off button dur...

Страница 10: ...dishwasher has three harnesses or one harness 4 2 Door latch The door latch is mounted on top of the tank and doesn t contain 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 The Hall effect sensor is held by two T 10 Torx screws The door latch is held by one T 20 Torx screw and two tank tabs 1 1 Control module in fasc...

Страница 11: ...d again to dispense rinse aid 1 Coil 2 Actuator 3 Rinse aid pump 4 Optical rinse aid sensor 5 Cover release lever The coil 1 moves the detergent cover actuator 2 and is powered by 160 VDC pulses from the control When the coil is switched on the actuator moves to the left The actuator is connected by a plastic link to the detergent cover release lever 5 When the actuator turns the lever the deterge...

Страница 12: ...r flow switch or Hi Limit cutout the circulation pump has a flow through heated cylinder The 120 VAC 1200W heater cylinder provides more heating surface area and heats water a bit faster than traditional flow through heating elements 2ºF minute The circulation pump portion has a 3 pole BLDC motor controlled by the power module The dishwasher won t run if the heat pump is disconnected or disabled T...

Страница 13: ...ns with air gaps Drain hoses are 6 long and can be up to 10 long Secure drain hoses to rear of dishwashers with non metal bands Make sure drain hoses aren t kinked 4 5 2 Cavitating Cavitating may occur in any type of pump when impellers spin faster from low inlet or outlet pressure creating air pockets around impellers Cavitating pumps can be noisy Air gaps high loops keep water contacting pump ou...

Страница 14: ...t There are three hoses connected to the water inlet system the water inlet hose from the water inlet valve condensation breather hose and internal drain hose The internal drain hose has a factory made high loop 15 above the floor and connects to the external customer drain hose Ascenta dishwashers use a time fill Maximum customer external drain hose length is 92 Water inlet system and hoses are s...

Страница 15: ...s loops at both ends and connects to a long slot in the base Springs are color coded for specific tensions 4 9 Terminal box All dishwashers have terminal boxes with covers and conduit exits 4 9 1 Terminal block Terminal blocks clearly show line L neutral N ground G connections Dishwasher wire harnesses have spade terminals which connect to terminals on the rear of the terminal block Terminal block...

Страница 16: ...th lightly soiled or pre rinsed dishes may notice wash cycles lasting slightly longer 4 11 Drain hose Ascenta dishwashers use a two hose internal external drain hose system A 92 long external drain hose is connected during installation to the internal drain hose with the 90º elbow pointing toward the customer drain The external drain hose connects directly to the customer drain system without an a...

Страница 17: ...tube 3 Internal drain hose 4 Condensation tube exit The condensation tube attaches to the base don t connect it to a drain 4 12 Sump parts The sump contains a filter screen coarse filter and micro filter 1 3 2 1 1 Coarse filter 2 Microfilter 3 Filter screen 3 2 4 2 The sump holds the drain pump cover and suction cap The suction cap provides a proper flow rate of water through the sump 2 1 1 Suctio...

Страница 18: ... entire dishwasher must be replaced 4 13 2 Rear leveling foot 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 The base has provision for two rear feet in the rear corners but the center foot factory mounting should be used below left Factory feet positions like the center rear foot 1 have provisions for set screws below r...

Страница 19: ...at month 4 14 2 Understanding the 17 digit factory serial This is a more detailed serial used by the factory for analysis of returned units It s located in the bottom right corner of the label 10 0 06 0088966 000677 This serial aids the factory in researching and verifying parts of the dishwasher The first 2 s represent a factory code 10 New Bern dishwasher The 3rd represents the last digit of the...

Страница 20: ...r latch Hall Effect sensors 1 dispensers 2 controls 3 and fascia panels 4 are accessed from the front Removing the outer door is needed for dispenser and bottom front access 5 1 2 1 To remove outer door Removing the outer door is needed for front access for removing dispensers and bottom access flipping dishwashers upside down for removing heaters and circulation pumps For most dishwashers the sho...

Страница 21: ...g fascia panel screws from top of inner door next column left If needed remove outer door first section 5 2 1 1 2 Lift fascia panel out from door Be careful to not damage wire harnesses The long six 6 fascia screws are different than the short six 6 outer door screws so don t mix screws when removing both fascia panel and outer door below right 5 1 3 Side and bottom front access 5 1 3 1 Left side ...

Страница 22: ...rom dishwasher 5 1 4 2 Disconnect pull out dishwasher Tools needed T20 Torx 2 Phillips screwdrivers and pliers or wrench 1 Remove toe kick section 5 1 4 1 2 Disconnect dishwasher mounting brackets below left 3 Turn off water and disconnect water line below right 4 Turn off electricity and disconnect electric supply by unplugging power cord or disconnecting wire harness loosening strain relief belo...

Страница 23: ...Drain pump 4 Terminal box 5 Float 6 Heat pump 7 Aqua sensor 7 3 5 1 6 Flipping dishwashers Follow these instructions to flip dishwashers upside down or on their backs for bottom access 5 1 6 1 To flip dishwasher for bottom access Tools needed T20 Torx 2 Phillips and flat blade screwdrivers 1 Remove toe kick section 5 1 4 1 2 1 3 4 5 2 Disconnect pull out dishwasher section 5 1 4 2 3 Remove all wat...

Страница 24: ...If needed remove outer door first below left 2 For dishwashers with separate short wire harnesses disconnect them from both ends of fascia panel below right 3 Disconnect wire harnesses from control below left 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 m CAUTION 80 of all co...

Страница 25: ...s from control 4 Remove handle trays 1 before removing controls 2 To remove handle trays carefully pry in plastic clips 5 Remove controls by carefully prying clips from one side to the other below left and gently lifting controls up as you pry clips 2 1 1 2 3 6 When reassembling fascia panels to doors make sure fascia panel tabs enter outer door slots 4 6 5 1 1 Connector 2 On off switch harness 3 ...

Страница 26: ... blade screwdriver 1 Remove toe kick section 5 1 4 1 2 Disconnect pull out dishwasher section 5 1 4 2 5 2 3 2 To remove base mounted controls Tools needed Flat blade screwdriver 1 Two plastic base tabs hold the power module in place To remove power module gently pry tabs until they clear module below left move bottom of module in toward heat pump until it clears base below right and pull module fr...

Страница 27: ...0 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 3 Remove cable guide below right m CAUTION 80 of all controls returned for analysis check out OK Most control issues are due to loose connections 4 Carefully pry inner door flanges 1 away from the tabs 2 on the top and bottom of the dispenser see...

Страница 28: ...he 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 Confirm whether the latch is misaligned before replacing the latch or sensor Check the sensor with a magnet to confirm if it s properly sensing the latch see section 6 3 1 1 5 4 1 To remove door latch Hall Effect sensor Tools required T10 To...

Страница 29: ...er valve Tools needed T20 Torx 2 Phillips screwdrivers and pliers 1 Remove outer door section 5 1 2 1 2 Remove toe kick section 5 1 4 1 3 Remove base insulation on models with insulation 4 Turn off water and disconnect water line below left 5 Turn off electricity and disconnect electric supply by unplugging power cord or disconnecting wire harness loosening strain relief below center right 6 Remov...

Страница 30: ...tric supply by unplugging power cord or disconnecting wire harness loosening strain relief below center right 6 Remove the drain pump by rotating it clockwise and pulling it out below left 7 Disconnect wire harness from drain pump below center 5 7 Water inlet condensation tube The water inlet and condensation tube are easily accessed from the left side of the dishwasher The water inlet hose and co...

Страница 31: ...p parts The inside of the sump is easily accessed for maintenance and cleaning drain and provides access to the drain pump cover and suction cap Tools needed Flat blade screwdriver 1 Pull out both racks below left 2 Pull out lower spray arm below center 3 Unscrew microfilter counterclockwise ccw and lift out microfilter and fine filter screen below right 4 Carefully pop out drain pump cover below ...

Страница 32: ...ecting all wire harnesses 6 If replacing inner door remove dispenser section 5 3 1 7 If the lower door seal sticks to the inner door separate the seal from the door by hand below left 8 Disconnect door springs from hinge levers below center 9 Remove two 2 hinge screws on both sides of inner door below The bottom screws also hold the lower door seal 5 10 Door hinge levers Tools needed T20 Torx 2 Ph...

Страница 33: ...to the inner door separate the seal from the door by hand below left 2 Remove lower door seal 5 12 Heat pump disassembly The heat pump is best accessed from the bottom of the dishwasher by flipping it upside down or on it s back Use the same process to access the float and aqua sensor 1 Float assy 2 Adapter 3 Clamp 4 Sump 5 Seal ring 6 Heat pump 2 1 6 3 4 5 Tools needed T20 Torx 2 Phillips small f...

Страница 34: ... seal ring can t be field installed 5 13 Float safety system Tools needed T20 Torx 2 Phillips small flat blade screwdrivers The float is best accessed from the bottom of the dishwasher by flipping it upside down or on it s back Several plastic pieces snap into place and must be carefully removed in sequence 1 Remove toe kick section 5 1 4 1 2 Flip dishwasher for access section 5 1 6 1 3 Unscrew on...

Страница 35: ...ng toward the drain and is held in place by a hose clamp 5 14 1 Removing internal drain hose Tools needed 2 Phillips small flat blade screwdrivers 1 Remove toe kick section 5 1 4 1 2 Flip dishwasher for access section 5 1 6 1 3 Lift off the white plastic hose lock at the sump near the drain pump and pull out the drain hose w O ring below 4 Carefully pry out the white plastic hose lock at the rear ...

Страница 36: ...rough error codes Turn dishwasher off to exit program To start programs shown with press button 6 1 1 2 SHX Integra models Press and hold and buttons then turn dishwasher on Regular Wash light will flash and Quick Wash light will be lit Press button to start program Only highest priority error code will show Turn dishwasher off to exit program To start programs shown with press button 6 1 2 Error ...

Страница 37: ...hing Active Clean Sanitized SHE Active Clean Sanitized SHX LED display E 01 BLDC control E 02 working relay error E 03 working and safety relay errors E 05 impulses without activation Digital display Digital display E 00 No failures LED display Same LED display shows for error codes E 01 E 05 Digital display LED display E 01 BLDC control Power module BLDC controller failed functional safety error ...

Страница 38: ...hing stuck closed Replace power module Same LED display shows for error codes E 08 E 13 E 10 Resistance too high Heater resistance too high Replace heat pump E 11 NTC1 NTC 2 failure absolute symmetry 1 2 NTC1 to NTC 2 internal check failed functional safety error 1 Hall Effect sensor at top of door Replace heat pump E 12 Heater NTC s comparison check failed Heater NTC s have different resistances ...

Страница 39: ...ode not used no flow meter E 15 Water in base Code not used bases are open E 16 Volume flow without activation Code not used no flow meter E 17 Volume flow too high Water volume too high safety float activated E 18 Volume flow too low Water volume too low heat pump motor load too low Check water supply LED display Same LED display shows for error codes E 20 E 21 E 20 Heater error Heater system che...

Страница 40: ...rvice error codes e g E 08 E 16 can t be seen by customers 6 1 6 Clearing error codes To clear error codes run the customer service test program Same LED display shows for error codes E 23 E 25 Digital display E 23 Coil error System check of drain pump motor coil failed functional safety error Replace drain pump E 24 No drain flow possible Drain pump is running but unable to remove the water drain...

Страница 41: ...ram Running customer service test program clears error codes 6 2 1 2 SHX Integra models Press and hold and buttons then turn dishwasher on Regular Wash light will flash and Quick Wash light will be lit see below Press button once to scroll to customer service test program Left program light will be lit Press button to start program Turn dishwasher off to exit program LED display Power Scrub Specia...

Страница 42: ... no 96s 4 0 L Checks if water level at top of coarse filter main pump starts at displayed step 13 6 15 Main Pump Soap Dispenser yes 10s 7 16 Main Pump Aqua Sensor Calibration partly 110s 8 17 Main Pump Heating 104 F 9 18 Pause yes 5s 10 19 Main Pump yes 5s Start main pump 11 20 Main Pump Rinse Agent Heating yes 60s of dispenser coil impulses rinse agent setting 12 21 Main Pump Heating yes 149 F Ab...

Страница 43: ...the door seal and not close securely If the door or door seal is misaligned realign it If the door latch is broken replace it 6 3 1 2 Disabled or faulty pumps If the dishwasher won t start check if the following parts are disconnected or disabled If they aren t connected reconnect them If faulty replace them Heat pump Drain pump Dishwasher controls run safety checks if drain pumps or heat pumps ar...

Страница 44: ...72 ºF Pump Motor 7 NTC 1 6 3 5 Error code E 25 from loose drain pump cover 6 NTC common 5 NTC 2 If a dishwasher doesn t drain properly and or shows an E 25 error code the problem could be the drain pump cover wasn t replaced properly i e not completely seated and locked into position Loose drain pump covers allow more water flow to the drain pump increasing the pump load drawing more current and c...

Страница 45: ... 2 terminals If 13Ω room temp replace power module If not replace heat pump E 21 heat pump is blocked clogged OR Remove debris obstructions from heat pump heat pump problem If pump impeller is stuck replace heat pump drain pump problem E 23 drain pump winding resistance is wrong OR Check continuity between drain pump m3 and power module harness connector Measure drain pump resistance between any 2...

Страница 46: ...ower module harness connector E 12 heating element resistances not balanced Measure heating element r1 resistance which should be 5Ω between terminals 1 2 2 3 and 10Ω between terminals 1 3 room temp If not replace heat pump If so replace power module Decalcify heater with appropriate cleaner E 10 not enough heat If problem persists after heating element has been decalcified replace heat pump E 11 ...

Страница 47: ...tions Measure On Off switch resistance If it s Ω in on position replace it If only drain pump is running check if float switch has operated see E 15 error code above If no LED s flash when On Off switch is pressed and the dishwasher door is open replace operating module in fascia panel Dispenser not operating Make sure dispenser detergent door isn t jammed Detergent dispenser door jammed OR loose ...

Страница 48: ...ry Heat option hasn t been turned on Activate Extra Dry Heat option if it s not activated and is available on the dishwasher Clogged spray arms or filters Remove debris obstructions from filter and spray arms Washability issue heat pump runs but dishes still dirty Spray arms not rotating Make sure spray arms are properly attached and rotate freely Make sure spray arms are properly aligned with the...

Страница 49: ...6 3 7 Strip circuits 702_58300000130262_ara_en_c Page 49 of 50 ...

Страница 50: ...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 92 no extension kit available Heating rate 2 F minute 1200 W Noise ratings 50 dB 53 dB or 57 dB depending on model 702_58300000130262_ara_en_c Page 50 of 50 ...

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