Haier GE DDT700S N0 Series Technical Service Manual Download Page 48

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A CSM is a protective device that is part of GE, Profile, Haier, Café and Monogram Dishwashers and

located on the main control board. This device is designed to trip if current leakage to ground is above

20mA ± 5mA is detected. The CSM functions similar to commercially available GFCI's. If tripped, the

dishwasher is non-responsive. All the LED's will flash and models with a display will show 888 until the

CSM is reset. Cycling power or entering Service Mode will reset the CSM. The Service LED on the

main control flashes to advise the control software is functioning.

The cause of tripping is likely external to the board itself. The board should only be replaced after

all other diagnostic tests have been completed and all other potential causes have been ruled out.

Potential causes of current leakage to ground could be due to water leaking onto a live component, a

component malfunction, or a fault within the wiring harness. If water caused the CSM to trip, the leak

must be repaired. The dishwasher may run until a leak causes the trip to reoccur. Resetting the CSM

without fixing the underlying issue will likely result in a repeat call. Always perform a visual inspection

of the exposed heating element, looking specifically for cracks, splits, or swelling of the sheath.

CSM Diagnostics

The CSM and Heater may be tested by running test 7 in

Service Mode

NOTE

: Normal water level must be present when checking the circulation pump, drain pump, and the

heater.

Circulation Pump

causes CSM to Trip

Drain Pump causes

CSM to Trip

Heater causes

CSM to Trip

Check for water Leak(s),as

dishwasher is running in Normal

cycle does it leak?

Replace Heater

Yes

Replace Circulation

Pump

Replace Drain Pump

Start a Normal Cycle. Did CSM

trip immediately?

Yes

Look for evidence of water leak under

the dishwasher, repair leak(s) as

needed and reset CSM

Use Service

Mode to Test

each Load

Repair leak and retest

CSM is Tripped

CSM (

Current Sense M

odule)

Summary of Contents for GE DDT700S N0 Series

Page 1: ...CDT845M5N0S5 CDT845M5N2S5 CDT845P2N0S1 CDT845P2N2S1 CDT845P3N0D1 CDT845P3N2D1 CDT845P4N0W2 CDT845P4N2W2 DDT700S N0 DDT700S N2 GDF565S N0 GDF565S N2 GDT565S N0 GDT565S N2 GDF645S N0 GDF645S N2 GDP645S N0 GDP645S N2 GDT645S N0 GDT645S N2 GDP665S N0 GDP665S N2 GDT665S N0 GDT665S N2 PDP715S N0 PDP715S N2 PDT715S N0 PDT715S N2 QDP555SBN0TS QDP555SBN2TS QDP555SYN0FS QDP555SYN2FS ...

Page 2: ...ctrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and properly fastened GE Appliances a Haier Company Copyright 2019 All rights ...

Page 3: ...ation 10 Troubleshooting 13 Flashing Lights 13 Will Not Start 13 Critical Errors 14 Component Locator Views 15 Front Control 15 Top Control 15 Toe Kick Area 16 Side 16 Back 17 Bottom 17 Sump Top 18 Sump Bottom 18 Inside 19 Tub and Structure 20 Tub Trim Some Models 20 Toe Kick 20 Junction Box and House Wiring Connection 20 Leveling Legs 21 Door Balance System 21 Door Springs and Cables 21 Hinges 21...

Page 4: ...rface UI 33 Outer Door Panel 34 Hinges 34 Pocket Handle 34 Inner Door Panel 35 Door Strike 35 Door Gasket 35 Vent Parts 36 Detergent Dispenser 37 Sump Module 38 Sump Gasket 43 Installing Sump Module 43 Electronic Controls 44 Critical Errors 44 User Interface UI Diagnostics 45 Main Control Diagnostics 45 Sabbath Mode Door Wake Up Mode 45 Consumer Error Mode 45 Demo Mode 46 Service Mode 47 Diagnosin...

Page 5: ... Motor and Pump Assembly 58 Two Port Diverter 59 Pressure Diverter Four Port 61 Pressure Diverter Switch 63 Turbidity Sensor and Thermistor 64 Thermistor 65 Conduits and Spray Arms 66 Main Conduit 67 Spray Arms 67 Middle Conduits 68 Bottle Wash System Some Models 69 Upper Spray System 69 Drain System 70 Diagnostics 71 Dry System 73 Heat Element Removal 75 Tub TCO 75 Venting Airflow 75 Power Dry Fo...

Page 6: ...rge stored energy Step 3 Isolate the appliance Step 6 Try It verify that the appliance is locked out GE Factory Service Employees are required to use safety glasses with side shields safety gloves and steel toe shoes for all repairs Steel Toed Work Boot Electrically Rated Glove and Dyneema Cut Resistant Glove Keeper Dyneema Cut Resistant Glove Cut Resistant Sleeve s Plano Type Safety Glasses Brazi...

Page 7: ...ation D Built In P Portable Wash System 3 Low 5 Mid 6 Mid Bottle Wash 7 Mid Silverware Wash 8 High 9 Monogram Feature Pack 0 99 Exterior Finish B Black SS F Black Slate G Generic Color Gloss I Panel Ready M Metallic P Pro S Stainless Engineering Digit 0 99 Color CC Bisque BB Black DS Black Slate ES Slate FS Finger Print Free Stainless II Panel Ready SA Silver Metallic SS Stainless TS Black SS WW W...

Page 8: ...etters and numbers mean in the model number C D T 8 4 5 P 4 N 0 W 2 Brand C Café Configuration D Built In Wash System 8 High Feature Pack 0 99 Door Color D Matte Black S Stainless Steel T Brushed Black W Matte White Engineering Digit 0 99 Handle Color 1 Brushed Stainless Steel 2 Brushed Bronze 3 Brushed Copper 4 Brushed Black 5 Glass Integrated Model Year N 2019 Control Appearance F Front Control ...

Page 9: ...F 1 3k 175 F DC Voltage continued Door Switch 13 5 VDC Water Valve 13 5 VDC 32 ohms 83 GPM 1 minute cycle time User Interface UI Control 13 5 VDC some models have 13 5 VDC output to detergent module Power Dry Fan 12 13 5 VDC 6 000 RPM Detergent Cup 13 5 VDC 25 ohms 1 second to release detergent cup Rinse Aid Dispenser 15 seconds to release rinse aid capacity 100 ml Pressure Switch Heater 120 VAC W...

Page 10: ...pending on turbidity response and incoming water temperature Cycle Algorithm Comparisons Segment Description Diverter Position Zonal Use Light 1 Hour Express Normal AutoSense Heavy Light Soil Heavy Soil Light Soil Heavy Soil PW1 Fill sec Circ min Heat Drain 30 sec ea LSA USA No 60 3 None No 60 4 No Empty 60 10 No Empty 60 7 No Empty 60 10 No Empty 60 7 No Empty 60 7 No Empty PW2 Fill sec Circ min ...

Page 11: ...mal Sensor Auto Heavy All Zones No Options 51 60 80 107 143 Boost Dry 155 164 184 211 247 Heated Dry 115 124 128 127 207 Bottle Wash 74 83 103 130 166 Temp Boost 111 129 156 Sani Steam 155 171 176 Bottle Wash Boost Dry 178 187 207 234 260 Temp Boost Boost Dry 215 233 260 Sani Steam Boost Dry 259 275 280 Bottle Wash Heated Dry 138 147 151 150 230 Temp Boost Heated Dry 175 149 220 Sani Steam Heated ...

Page 12: ...lgorithm Dry Cycle Normal with Heated Dry Time minutes Calrod Description 7 Calrod on 27 Calrod Pulse 2 minute on 1 minute off 14 Calrod off Cool Down Normal with Temp Boost or Steam Sani Selected 7 Calrod on 57 Calrod Pulse 1 minute on 1 minute off Normal with Boost Dry 7 Calrod on 57 Calrod Pulse 2 minute on 1 minute off 15 Calrod off Cool Down ...

Page 13: ... as Service LED are located in the Electronic Controls section of this service guide Single mounting screw If the control beeps and some LED s flash this indicates the dishwasher door may be in the open position If the User Interface UI is flashing all the LED s or the Display some models is flashing this is an indication of a tripped CSM and the dishwasher is non responsive all the LED s will fla...

Page 14: ...ted to call for service Pressure Sensor Errors In the event that the pressure sensor signal is undetectable or irrational the cycle will be canceled and the user interface will display the following Models with SSD PrS or PrF will be displayed Models without SSD Dry LED or Wash Temp Dry LEDs will blink The control does not see a change in pressure during fill Verify pressure sensor harness then re...

Page 15: ...ary throughout this service guide Some models do not have all features shown or may be different depending the model number Front Console Vent Pocket Handle Outer Door Panel Pocket Handle Display Towel Bar Handle Display Front Control Top Control ...

Page 16: ...Rack Mounting Hardware High Drain Loop Hose Fill Hose Fill Funnel Offset Leg Hinge Arm Balance Cable Balance Roller Balance Spring Toe Kick Area Side Water Valve Sump Toe Kick Panel Insulation Junction Box Toe Kick Screws ...

Page 17: ... 17 Heater Mounting Nuts High Drain Loop Back Bottom Level Leg Sump Water Valve Fill Hose Main Control Box Junction Box Tub TCO between motor and tub High Drain Loop Hose ...

Page 18: ...ra Fine Filter Fine Filter Diverter Diverter Check Ball Sump Drain Check Valve Sump Latch Cam Turbidity Sensor Circulation Pump Sump Sump Latch Cam Drain Pump Pressure Switch Floating Seal Sump Top Sump Bottom ...

Page 19: ...per Rack Main Conduit Silverware Basket Lower Rack Detergent Module Door Strike Appearances may vary throughout this service guide Some models do not have all features shown or may be different depending the model number Inside ...

Page 20: ...Tagout LOTO 6 Step Process prior to beginning repair The toe kick panel is a safety and decorative panel covering the machine area of the dishwasher The panel provides a safety barrier closing the front of the dishwasher machine compartment To remove the panel remove two 1 4 in hex head screws and pull the panel away from the dishwasher The junction box is located behind the toe kick on the right ...

Page 21: ...air Place one nut on the leg and install the new leg onto the dishwasher damaged frame Use the bottom nut to level the dishwasher When it is level use the remaining nut on the top to firmly secure the leg to the base rail or frame The door balance system is comprised of springs cable assemblies rollers retaining clip and hinge arms The spring is adjustable as it attaches to the rear of the leg bas...

Page 22: ...ne around the corners Stretching the gasket may cause the gasket to roll in or out which will cause the new gasket to leak If the gasket wiper rolls in or out pull the gasket out of the track and reinsert into place The tub gasket seals the top and sides of the tub to the door The retainer is part of the stainless steel tub The seal pushes into the retainer area of the tub and no sealant or RTV is...

Page 23: ...ulled out 6 to 8 inches from its installed position to replace the latch switch Latch Switch 4 Continue to push the gasket into the track to the bottom of the tub and extending the gasket 2 inches to the center of the tub 5 Always run the dishwasher to test for leaks Diagnoses can be accomplished in Consumer Error Mode see Consumer Error Mode in the Electronic Controls section of this service guid...

Page 24: ... rack configurations are available depending on the model Wheels on Rails or Full Extension Rails Wheels on Rails To remove the rack from the dishwasher pull the rail assembly out a few inches for easier access Pull the tab on the end cap to the center of the dishwasher and pull the end cap off the rail The rack may now be removed Upper Rack Rollers and Brackets The upper rack roller brackets are ...

Page 25: ...ing in on four tabs to release then sliding the bracket to the front of the rack and pivoting off of the rack 1 2 Full Extension Rails To remove the upper rack and full extension rails 1 Extend to the full outward position 2 Push up on the right side track lever and down on the left side track lever 3 Pull the rack off of the inner track When reinstalling the rack guide the tracks onto the rails a...

Page 26: ... out on the cover to unclip the center tabs The rollers will slide off the bracket and the bracket shaded grey in the image below is pushed to the rear of the rack to remove Bottle Wash Components Some Models To remove the bottle wash components remove the cover by releasing the clip at the bottom and slide the cover to the right Disconnect the hose Slide the bottle wash manifold to the front righ...

Page 27: ...ontact the stop lift and continue to pull the rack off the rails The rails may be removed by releasing the rear end cap Push the tab and remove the endcap There are a variety of silverware baskets and configurations available Consult the Owner s Manual for silverware basket information Continued next page The left and right brackets and covers are different part numbers and are marked L or R left ...

Page 28: ...ail Rollers are secured to the bracket with T 20 Torx head screws 1 4 hex head screws Mounting nuts Appearances may vary throughout this service guide Some models do not have all features shown or may be different depending on the model number The spray system Manifold is mounted to the lower rack A bellows seals the conduit to the manifold To remove the silverware conduit remove one 1 4 in hex he...

Page 29: ...e door 2 Remove the toe kick and insulation if applicable 3 Disconnect the door wire harness at the bottom of the main control cover 4 Release the wire clip holding the harness to the tub Push up on the wire harness to release the harness WARNING GE Factory Service Technicians are REQUIRED to follow Lockout Tagout LOTO 6 Step Process prior to beginning repair 5 Locate the door balance cable and in...

Page 30: ...laced fully on the offset legs both sides 8 Slide the cable into the cable clip to prevent the spring from disconnecting from the cable CAUTION If the cable is released the spring and cable may become disconnected Depending on the model and installation reconnecting may require the dishwasher to be removed from installation The cable seated correctly into the clip is shown below 9 Repeat steps 5 t...

Page 31: ...e vent conduit while lifting the inner door from the outer door panel The inner door vent cover must be removed on front control models with passive vent to allow the front control console to be removed from the inner door Insert two pocket style flat blade screw drivers into the vent then turn counter clockwise to remove To Separate the Door 1 Remove the door 2 Place the door with the outer side ...

Page 32: ...Dry Forced Air sections of this guide for details To Reassemble the Door 1 Place the outer panel face down on a protected surface 2 Place the inner door face up and position six attachment tabs into the cutouts of the outer panel 3 Press firmly together while sliding the inner panel onto the outer panel Use care to make sure that the outer panel mates properly to the front console or top console T...

Page 33: ...trol UI s separate the door disconnect the wire harness and remove four 1 4 in hex head screws The control will be removed from the front The top control User Interface UI come as an assembly including the top console UI and bottom console To remove the UI assembly remove five 1 4 in hex head screws from the top control Some models have a display on the front panel it is secured to the bottom of t...

Page 34: ...ith end caps pre attached Bar Handle Removal 1 Remove and separate the door 2 Remove two 3 8 in hex head screws holding the handle To remove the hinges from the outer door panel remove six 1 4 in hex head screws Lens Handle Handle Screws Handle Brackets Hinge Screws Hinges Badge Some models have a pocket handle mounted to the outer door panel To remove the pocket handle remove seven 1 4 in hex hea...

Page 35: ...ach strip may now be removed by sliding the strip down the side attachment strips must be removed first With the User Interface UI and Console pocket handle on front control models removed there is clear access to the 1 4 in hex head screw that secures the strike to the inner door and top attach strip Remove the 1 4 in hex head screw remove the door strike Top attachment strip may now be removed S...

Page 36: ...st be removed to access the door control components Operation specifications and diagnostics will be covered in the Dry System section of this service guide Power Dry System Removal 1 Remove the inner door vent cover 2 Disconnect the wire harness from the fan to the User Interface UI control 3 Remove the 1 4 in hex head screw 4 The vent conduit fan and the duct are removed as an assembly Mounting ...

Page 37: ... dispenser holds 3 5 oz 100 ml of rinse agent Under normal conditions this will last approximately one month The module receives 13 5 VDC for 1 second to activate the detergent cup To activate the rinse aid the module receives 13 5 VDC for a period of 15 seconds To Diagnose Detergent Module 1 Remove power then remove and separate the door 2 The inner panel may be set into the dishwasher and latche...

Page 38: ...lock design and consumer cleanable To remove turn counter clockwise The fine filter is secured by the ultra fine filter and two tabs To remove remove the ultra fine filter and lift up on the front allowing the back to slide out of the tabs The Drain Check Valve is located inside the sump bottom To access remove both filters and pull the assembly from inside the sump Sump Module ...

Page 39: ...n of this service guide Two Port Diverter Four Port Pressure Diverter Components on the bottom of the sump include a pressure switch turbidity sensor drain pump circulation pump and some models have a diverter location switch The sump module is front serviceable with the dishwasher remaining in the installed location by removing the door for easier access This section of the guide only covers the ...

Page 40: ...f the illustration represents sump position as located to the front of the dishwasher This image is the rear latch cam The below illustration shows the cam rotated to remove the sump The arrow is pointing to the stop feature molded into the sump With the cam in the unlatched position and the lock tab exposed the cam can be removed or replaced as needed by sliding it away from the post ...

Page 41: ...r and coarse filter turn counter clockwise to remove 7 Remove the main conduit see the Circulation System section of this service guide 8 Loosen the high drain loop hose clamp 1 4 in hex head and remove the hose from the drain pump there will be a small amount of water in the sump pump and hose 9 Disconnect the turbidity sensor harness some models 10 Remove the pressure switch refer to the pressur...

Page 42: ...p from inside Use care tilt and lift to bring the sump into the tub Bring the drain pump up and in first This allows access to disconnect the wiring in the next step NOTE It is important to route the wire harnesses in the same locations to prevent future damage to the harness 14 Disconnect the circulation pump wiring drain pump wiring and flood switch wiring Appearances may vary throughout this se...

Page 43: ...nse agent or water will also ease installation While inserting the sump assembly back into the tub use care to ensure the sump assembly wiring and components are not pinched between the sump and the tub NOTE Using rinse aid or water on the sump gasket will aid sump installation 1 Reconnect wiring to the pumps and flood switch Do not connect the turbidity sensor until after the sump module is back ...

Page 44: ...r interface will display the following Models with SSD PrS or PrF will be displayed Models without SSD Dry LED or Wash Temp Dry LEDs will blink The control does not see a change in pressure during fill Verify pressure sensor harness then replace pressure sensor if needed Continuous Fill Error In the event consecutive signals from the pressure sensor detect high water level the drain pump will run ...

Page 45: ...ty sensor Lock Always Illuminated Illuminates when Error Code Display Mode is active The Service LED has a continuous flash which only advises the main control has power and the control software is operating No display or LED s will light Check for 120 VAC entering the main control If no volts are found check the home breaker If main control has 120 VAC check to see if the service LED on the main ...

Page 46: ...45 GDP645 GDP665 GDT565 GDT645 GDT665 PDP715 PDT715 Demo Mode To enter demo mode disconnect power to dishwasher for 30 seconds and reconnect power Press and hold Select Cycle and Dry Boost at the same time for 5 seconds To exit demo mode press and hold Select Cycle and Dry Boost at the same time for 5 seconds Front Control Top Control QDP555 Demo Mode To enter demo mode disconnect power to dishwas...

Page 47: ...a changing diverter every 30 seconds Runs for maximum of 2 minutes 4 Heater Turns on heater for a maximum of 2 minutes 5 Detergent Module Turns on detergent module solenoid for a maximum of 2 minutes 6 Dry Fan Turns the door fan ON OFF for models that support this feature 7 Heater Relay Test If the CSM trips replace the heating element Diagnosing the main control and User Interface UI control are ...

Page 48: ...a component malfunction or a fault within the wiring harness If water caused the CSM to trip the leak must be repaired The dishwasher may run until a leak causes the trip to reoccur Resetting the CSM without fixing the underlying issue will likely result in a repeat call Always perform a visual inspection of the exposed heating element looking specifically for cracks splits or swelling of the shea...

Page 49: ... of the control box While pulling down on the front of the bottom cover slide the cover forward to clear the back lip and junction box bracket 7 Pull cover and control forward taking care not to damage the board or the wiring 8 To remove the control board from the bottom cover remove the ground screw and release the standoffs 9 Use care when reinstalling the main control board to prevent wire pinc...

Page 50: ...nute The water valve is located in the front left corner under the dishwasher Components To check for proper water level place the dishwasher in Service Mode and run the Fill Test see Service Mode in the Electronic Controls section in this service guide Water must reach the level shown below A pressure switch is used to monitor water level The switch provides feedback to the control The pressure s...

Page 51: ...No Water Detected In the event the internal water level does not change the cycle will be cancelled and the user interface will display the following Models with SSD Screens H20 will be displayed on the SSD screen Models without SSD Screens Wash Temp LED will blink continuously The consumer is directed to verify the water supply line is connected properly the supply line valve is turned on and res...

Page 52: ...es Was the fill time 60 seconds Yes No Check for 13 5 DCV at Water Valve No Replace Water Valve Access main control remove J806 connector Is resistance pin 1 OS to pin 2 SX 32 Ohms Yes Replace main control No Repair or replace wire harness No repair needed possible home water pressure fluctuation Check for house plumbing fault kinked fill line restricted water valve screen Check pressure switch us...

Page 53: ...tension on the spring clamp Spring Clamp The Fill Funnel is located on the left side of the dishwasher tub and must be removed from installation to gain access Remove by turning the mounting nut counter clockwise from inside the tub The fill funnel may now be removed from the outside of the tub There is a gasket between the fill funnel and tub The fill hose connects the water valve to the fill fun...

Page 54: ...late the wash arms and is controlled by cycling the wash pump as described later in this section Some models have a wash zone feature which allows the consumer the flexibility of washing in the lower or upper racks only Using this feature will shorten the cycle time by 30 When Bottle Wash is selected the upper rack time is increased allowing the bottle wash feature to be used for maximum cleaning ...

Page 55: ...emove the bottom rack for an unobstructed view of the lower spray arm 3 Enter Consumer Error Mode 4 Enter Service Mode 5 Open the dishwasher door all the way to 90 degrees 6 Place the WX05X20002 Clear Door into the tub opening starting at the bottom WARNING To prevent any damage do not close the dishwasher door when the clear door is in use 7 The clear door has a latch strike When pushed into the ...

Page 56: ...hen the drain pump is good If it measures OL overload or open it indicates a bad drain pump If the drain motor checks OK replace the circulation pump motor The circulation pump is a DC motor and cannot be checked for a resistance reading it contains internal diodes and rectifiers Pump Motors Fuse Test Points No Circulation and Drain Circulation and Drain Pumps will not run Access main control plac...

Page 57: ...ort Good filtration is key to good wash performance The Ultra Fine filter is consumer removable with a twist lock design The Owner s Manual advises the consumer to remove and clean every 60 days or more frequently depending on use NOTE Using brushes or scouring pads will damage the filter To remove turn the filter counter clockwise and lift from the sump The Fine Filter is located on the sump asse...

Page 58: ...isconnect power to the dishwasher Remove the toe kick panel door and sump see Door Removal under Door and Sump Module Removal under Sump Module in the Tub and Structure section of this guide 2 Loosen the outlet wash motor diverter clamp 3 Use a large flat blade screw driver to slide the circulation motor out of the floating seal As the pump assembly is removed from the seal slide the wash motor of...

Page 59: ... allows water to bypass the check ball in the diverter as described in the next step The dishwasher is in Off or Standby mode no pump operation The check ball is at the bottom of the diverter Bypass Main Conduit Port upper spray system Lower Spray Arm Port Clamp Removal Tip Use a small screw driver inserted into the ear of the clamp and move the handle back and forth to loosen the clamp The clamp ...

Page 60: ...r that is in the rear conduit forces the check ball to the lower spray port The wash pump cycles on and water pressure keeps the check ball positioned to block water entering the lower spray arm Water flows to the mid spray arm and upper sprayer The wash pump cycles off for eight seconds The water pressure in the spray arms equalizes and the check ball is in the bottom or home position When the wa...

Page 61: ...er primary as the start of the circulation cycle Lower reverse and silverware wash are only used during the main wash segment of a cycle A short spray will be detected from the silverware wash mid and upper spray systems as well as the lower reverse until the diverter is positioned to the lower primary port Two Port Diverter Removal The diverter top may be removed by removing one 1 4 in hex head s...

Page 62: ...rning counter clockwise to remove Lift to remove the diverter top and access the diverter plate The diverter plate may be lifted out of the diverter body The diverter body is molded into the sump This view illustrates the bottom of the diverter to show magnets located on the bottom of the diverter plate ...

Page 63: ... Clear Door Part WX05X20002 to diagnose an inoperative diverter If a diverter is not changing positions when the circulation motor stops and starts and the dishwasher has proper water level with a normal spray pattern on the zone that is working the diverter is mechanically inoperative and should be replaced A dishwasher that starts and stops every 3 to 5 seconds may indicate low water level or a ...

Page 64: ...rinse cycles may be skipped The cycle design sets parameters to a maximum cycle length and the turbidity response will shorten the overall cycle length if the soil level is below the cycle preset specifications By measuring several times during a cycle to monitor soil levels energy can be saved by removing unneeded rinses thus shortening the overall cycle time If the turbidity sensor fails open or...

Page 65: ... enter a calibration at the end of the first cycle that the control completes as mentioned above If the first cycle is interrupted and calibration does not occur calibration will retry on the next cycle until it is completed Calibration will not occur on demand Turbidity Sensor Diagnostics If the turbidity sensor fails open or shorted the control will default to the maximum fills and circulation t...

Page 66: ... Cone Diverter Top Check Ball Fine Filter Lower Spray Arm Ultra Fine Filter Sump Bottle Wash Hose Upper Spray System Appearances may vary throughout this service guide Two Port model shown below Some models do not have all features shown or may be different depending the model number Conduits and Spray Arms ...

Page 67: ... The lower spray arm has heat shields on the bottom and is attached to the diverter It is possible to reverse the spray arms which will result in poor washability complaints Care must be taken to reassemble in the proper position Some models have an upper spray system which is also twist lock Lower Spray Arm The Lower Spray Arm provides an upward directed water flow which turns clockwise when in o...

Page 68: ...able conduit has an internal check valve to block wash water from exiting the wash system keeping water directed into the mid spray arm The middle conduit is replaced as an assembly and individual parts for the assembly are not available separately Some models have a port on the right side to allow water flow to the bottle wash feature Mid Conduit Cover Gasket Check Valve Main Conduit Body Bottle ...

Page 69: ... blocks water from entering the container using normal spray arm jets This feature insures clean containers Water is active anytime that the upper spray arm is operational Selecting the bottle wash option on the control changes the wash algorithm The upper spray arm and bottle wash jets are cycled for a longer time and 23 minutes is added to most cycles when selected Illustrations for the bottle w...

Page 70: ...check the blue to yellow wires using a multimeter on the highest resistance setting If the reading is between 0 3 5 0 mega ohms then that would indicate a good pump If it measures OL OverLoad it indicates an open circuit and that the drain pump is bad If the drain motor checks OK replace the circulation pump motor Drain Components The Drain Pump is located on the left side of the sump assembly and...

Page 71: ...er and fine filter clean sump as needed Remove Check Valve clean or replace if needed Is Drain Pump stalled feel drain pump for vibration Yes No Clean or replace as needed Remove connector J703 check resistance from Blue Yellow 0 3 5 0 mega ohm is normal No Yes Replace Drain Pump if needed Replace Main Control Is the circulation pump operational No Refer to Fuse section of this Guide Yes ...

Page 72: ...r see Door Removal under Door in the Tub and Structure section of this service guide 3 Remove the sump assembly see Sump Module Removal under Sump Module in the Tub and Structure section of this service guide 4 Press in on the locking tab 5 Rotate the pump assembly counter clockwise as viewed from the front of the pump to remove ...

Page 73: ...te ON time to 60 seconds OFF 60 seconds ON for 28 minutes during a Normal cycle with no wash boost options selected Boost wash options will change the time needed due to hotter temperatures in rinse for options and cycle selected The table below advises heater algorithms and dry times Specifications The Calrod Heating element is rated at 120 VAC Dry System 4 Pass Heater Algorithm Dry Cycle Normal ...

Page 74: ...o Pin 2 Violet White 18 29 ohms Yes No Check TCO reset if needed Recheck resistance 18 29 ohms No Yes Check heating element and wiring replace as needed Check thermistor connec ons and DC harness are they OK No Yes Check Thermistor is it within speciﬁca ons Replace harness No Replace Thermistor Yes Replace Main Control Access main control enter service mode Check for 120 VAC connector 704 VW WX Ye...

Page 75: ...moved from its installation Element Removal Without Uninstalling the Dishwasher 1 Disconnect power to the dishwasher 2 Remove the lower rack 3 Remove the door see Door Removal under Door in the Tub and Structure section of this service guide 4 Remove the sump assembly see Sump Module Removal under Sump Module in the Tub and Structure section of this service guide 5 Disconnect the two wire leads to...

Page 76: ...wer dry cycle is 50 minutes then the Clean light comes on If the consumer does not open the door the fan will run an extra 90 minutes before shutting off If the consumer opens the door the fan will shut off and not restart should the door be closed and latched Diagnostics The door will have to be removed and separated The door can be plugged back in and put into Service Mode to make voltage checks...

Page 77: ... 77 Schematic Appearances may vary throughout this service guide Some models do not have all features shown or may be different depending the model number ...

Page 78: ...ons 9 Electronic Controls 13 44 F Fan 9 36 76 Fill Funnel 53 Fill System 39 50 Filtration 54 Front Control Console 32 Fuse 56 H Hose 41 50 68 J Junction Box 20 M Main Conduit 59 67 68 Main Control Board CSM 13 Main Control Diagnostics 13 Middle Spray Arm 67 N Nomenclature 7 P Pocket Handle 32 Power Dry 9 36 76 S Sabbath Mode 45 Schematics 77 Service Mode 37 47 50 55 Silverware Baskets 27 Spray Arm...

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Summary of Contents for GE DDT700S N0 Series

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