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GE CDT865SxJ0 Series, Technical Service Manual

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GE CDT865SxJ0 Series Technical Service Manual Download Page 68

– 68 –

Hidden Heater Diagnostics

Heater terminals are located on the side of the pump motor assembly, and can be tested there or at the 
main control board. Remove connector J703, and look for 10 to 15 ohms across the violet to white/red wires. 
If the circuit is open, replace the complete pump motor assembly. Voltage may also be checked with the 
main control in the service position. With all connectors seated, place in 

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the circulation pump to power the heater. Check for 120 VAC at connector 703 across the violet to white/red 
wires.

Summary of Contents for CDT865SxJ0 Series

Page 1: ...Kentucky 40225 31 9256 Technical Service Guide June 2016 GE Appliances CDT835SxJ0xx CDT865SxJ0xx PDF820SxJ0xx PDT825SxJ0xx PDT845SxJ0xx PDT846SxJ0xx PDT855SxJ0xx ZDT915SxJ0xx ZDT975SxJ0xx 2016 Stainl...

Page 2: ...To avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary c...

Page 3: ...10 Target Temperatures 11 Cycle Details 12 Troubleshooting 13 Flashing Lights 13 Will Not Start 13 Component Locator Views 14 Tub and Structure 19 Tub Trim 19 Toe Kick 19 Junction Box and House Wiring...

Page 4: ...Dispenser 38 Floor Protect Pan 39 Sump Module 41 Sump Gasket 43 Installing Sump Module 43 Electronic Controls 44 Consumer Error Mode 44 On the Main Control Board CSM 46 Service Mode 47 Diagnosing Elec...

Page 5: ...ay Arm 78 Clean Sweep Jets Middle Spray Arm Model PDT846SSJ only 78 Middle Conduit 78 Bottle Wash System 80 Upper Spray System 80 Silverware Wash 81 Drain System 82 Diagnostics Single Speed Motor CDT8...

Page 6: ...hoes for all repairs Steel Toed Work Boot Electrically Rated Glove and Dyneema Cut Resistant Glove Keeper Dyneema Cut Resistant Glove Plano Type Safety Glasses Prescription Safety Glasses Safety Glass...

Page 7: ...odel and Serial Tag Mini Manual Brand H Hotpoint G GE P Profile C Caf Z Monogram L Lowes D Adora S Sears A Americana Z D T 9 7 5 S S J 0 S S Configuration D Built In P Portable Feature Package 0 99 En...

Page 8: ...le virtually eliminating the need for soaking or pre rinsing dishes Power Dry Fan Piranha hard food disposer 80 Recyclability 3URGXFW 6SHFL FDWLRQV Approximate Shipping Weight lb 125 pounds depending...

Page 9: ...20 ml Flood Switch 13 5 VDC 42 amp Turbidity Sensor 5 VDC to LED 10K ohms Tub Lighting Top 12 14 VDC Side 19 22 VDC OHFWULFDO 6SHFL FDWLRQV AC Voltage Single Speed Circulation Pump 120 VAC 8 amp 3 8 L...

Page 10: ...KH UVW SUHZDVK VHJPHQW of the cycle Operation and Cycle Information 4 Pass Exposed Heater Algorithm Dry Cycle Normal with Heated Dry Time minutes Calrod Description 6 Calrod on 28 DOURG 3XOVH PLQXWH R...

Page 11: ...ture Limits Cycle PW4 MW PR1 FR FR w Dry Rinse Express 120 135 135 140 160 Light 125 130 135 135 eWash 120 125 125 Normal 125 140 160 Auto 130 140 160 Heavy 130 135 130 145 160 7DUJHW WHPSHUDWXUHV DUH...

Page 12: ...ty 60 15 Empty 65 16 Empty 65 16 Empty 65 30 Empty 65 30 Empty 65 30 Empty Final Rinse Fill sec Circ min Drain 60LSA 120USA No ON 60 13 Empty 60 15 Empty 60 15 Empty 60 30 Empty 60 30 Empty 60 30 Empt...

Page 13: ...are covered in this service guide This troubleshooting section is an overview of diagnostic capabilities of the electronic control The control features allow retrieval of error codes operation of loa...

Page 14: ...ce may vary throughout this service guide Some models do not have all features shown or may be GL HUHQW GHSHQGLQJ WKH PRGHO QXPEHU Latch Assembly Front Console Vent Indicator LED s Buttons Pocket Hand...

Page 15: ...Box Water Valve Sump Floor Protect Pan Insulation Toe Kick Panel Toe Kick Screws Tub Trim Third Rack Mounting Hardware High Drain Loop Hose Fill Hose Fill Funnel 2 VHW HJ Hinge Arm Balance Cable Balan...

Page 16: ...m Continued next page Floor Protection Pan Junction Box Main Control Box Level Leg Sump Water Valve Fill Hose High Drain Loop Hose Tub TCO Heater Mounting Nuts Heater Mounting Nuts High Drain Loop Flo...

Page 17: ...ontinued next page Vent Caps Ultra Fine Filter Fine Filter Sump Gasket Diverter Flood Float Sump Flood Switch Turbidity Sensor Sump Latch Cam Circulation Pump Sump Sump Latch Cam Flood Switch Diverter...

Page 18: ...18 Inside Tub Trim Third Rack Upper Rack Main Conduit Silverware Basket Lower Rack Detergent Module Door Strike...

Page 19: ...Drain System sections of this service guide Tub Trim Toe Kick The toe kick is a decorative panel covering the machine area of the dishwasher The panel provides a safety barrier closing the front of th...

Page 20: ...se the dishwasher turn the level legs counter clockwise If a level leg will not keep the dishwasher level because the support rail is stripped the dishwasher may be repaired by using two WR01X10044 nu...

Page 21: ...be needed to balance the door during operation If only one spring is being attached to the cable the spring hook should be inserted into the middle hole on the cable and the other end of the spring s...

Page 22: ...d closing Tub Gasket Tub Gasket Removal Pull the gasket from the retainer area Tub Gasket Installation 1 The center of the gasket has a mark which is placed pointing to the inside of the dishwasher Th...

Page 23: ...proximately 6 to 8 inches 3 Remove two screws R2 Robertson Carpenters Bit or 2 Phillips screwdriver 4 Disconnect the wiring to the switch The door switches are rated at 13 5 VDC The door latch switche...

Page 24: ...H EUDFNHW WR VOLGH R WKH rack bracket Full Extension Rails Removal 1 Extend to the full outward position 2 Push up on the right side track lever and down on the left side lever 3 3XOO WKH UDFN R RI WK...

Page 25: ...y Bracket The bracket is snapped onto the rack and can be removed by pressing in on 4 tabs to release and sliding the bracket to the front of the rack then SLYRWLQJ WKH EUDFNHW R RI WKH UDFN Bottle Wa...

Page 26: ...e cover to unclip the center tabs 7KH UROOHUV ZLOO VOLGH R WKH EUDFNHW DQG WKH EUDFNHW shaded grey in the image below is pushed to the rear of the rack to remove Left Side Right Side 7KH OHIW DQG ULJK...

Page 27: ...KH UDLOV The rails may be removed by releasing the rear end cap Push the tab and remove the endcap Third Rack some models Third Rack Brackets To remove the brackets the dishwasher must be removed from...

Page 28: ...4 in hex head screw Lift the bracket up to disengage from the slide The bracket has a seal attached and available with the bracket Monogram Third Rack ZDT975S has a two tray basket system with full ex...

Page 29: ...r lights The door also houses the detergent module bottom door seal and a passive venting system see the Dry System section in this service guide Door Removal 1 Remove power to the dishwasher then clo...

Page 30: ...reconnecting may require the dishwasher to be removed from the installation The cable seated correctly into the clip is shown below 9 Repeat steps 5 through 8 on the opposite side 10 Standing in front...

Page 31: ...panel 7 Support the vent conduit while lifting the inner door from the outer door panel The inner door vent cover must be removed to remove the power vent conduit and fan Insert two SRFNHW VW OH DW E...

Page 32: ...r door panel engaged with the attach tabs of the inner door 4 Reinstall the screws and reinstall the door The Front Control Console is held in place by four tabs on the pocket handle Outer door has cu...

Page 33: ...e four 1 4 in hex head screws at the top of the light pipe The light pipe and buttons may now be removed The pocket handle is attached to the inner door panel The front control console must be removed...

Page 34: ...with tabs A small screwdriver may be needed to VWDUW WKH UVW WDE 6 7KH OLJKW SLSH PD EH H HG E WZLVWLQJ WR release the remaining tabs four each side 7 With the light pipe removed the UI may be lifted...

Page 35: ...the event the cover is loose or must be removed The tabs are likely to break on removal New Top Cover Installation 1 The top cover is secured with sixteen tabs and the console has cutouts or slots to...

Page 36: ...oor panels Side Attachment Strip s Removal 1 Remove and separate the inner and outer door panels 2 Remove the front control console or top control panel 3 Remove the two T15 Torx screws on the side at...

Page 37: ...er 2 Disconnect the wire harness from the fan to the UI control 3 Remove the 1 4 in hex head screw If alignment causes a binding on the tab it can be removed the purpose for the tab is to aid assembly...

Page 38: ...ditions 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...

Page 39: ...ishwashers This feature will hold 24 ounces of water on a level GLVKZDVKHU SURWHFWLQJ WKH FRQVXPHU V RRU 7KH pan is held in place with 4 tabs Some models have a moisture sensor that will alert the con...

Page 40: ...Disconnect power to the dishwasher 2 Remove the toe kick panel and insulation depending model 3 Slide the pan to the front of the dishwasher this will disengage the four tabs 4 7KH SDQ ZLOO GURS WR W...

Page 41: ...of this service guide 6 5HPRYH WKH XOWUD QH OWHU D WZR YHQW FDSV E QH OWHU F PDLQ FRQGXLW G VLOYHUZDUH FRQGXLW H DQG RRG RDW I 7 Remove the main conduit see the Circulation System section of this ser...

Page 42: ...p to the drain pump 3 has the hose molded to the drain pump 11 The sump latches below are shown in the release position Each latch has a stop point built in Turn the latches to a stop point when unlat...

Page 43: ...ewdriver inserted into the ear of the clamp and move the handle back and forth to loosen the clamp The clamp can be removed and discarded when the component is removed Warning Using diagonal pliers to...

Page 44: ...he dishwasher It is supplied 120 VAC from the consumers home Outputs include 120 VAC to the heating element wash and drain motors The FRQWURO DOVR VXSSOLHV 9 WR WKH OO V VWHP GRRU switches turbidity s...

Page 45: ...ailure Check turbidity sensor and harness F64 Inverter Error Received Check inverter and harness F65 Inverter No Water Detected Check inverter and harness F80 Absent Water Flow turbidity based Check t...

Page 46: ...Q Service Mode is entered 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 ca...

Page 47: ...DT845SxJ0xx LED Blink Load to Control Timeout Notes 1 Drain Pump Attempts to empty Takes approximately 75 seconds from normal level 2 Water Valve WWHPSWV WR OO WR QRUPDO level Takes approximately 1 mi...

Page 48: ...D Drain Circ Connector Personality Jumper Blink Pattern Meaning 1x per 3 seconds Dishwasher in not running a cycle select a cycle and press Start 2x per 3 seconds Dishwasher is in Delay Start and wait...

Page 49: ...access ports in the control area and above the sump hoses to keep them from snagging on the RRU 10 All ground screws must be reinstalled Remove two 1 4 in hex head screws J722 Door Connector RJ45 Conn...

Page 50: ...voltage at the UI If volts are correct replace the UI I WKHUH LV QR RSHUDWLRQ GLVSOD RU V ZLOO QRW OLJKW Check for 120 VAC entering the machine control If no voltage is found or voltage disappears whe...

Page 51: ...proper heat transfer Should an inverter need to be replaced it will come as an assembly mounted to the mounting plate The inverter should not be removed from the mounting plate Checking for fault code...

Page 52: ...inverter if all are OK F146 Circulation Pump Error Check harnessing replace circulation pump if needed F147 Drain Pump Error Check harnessing replace drain pump if needed F148 Open TCO in circulation...

Page 53: ...shows the Service LED location J702 Motor connector J703 Heater connector J711 DC connector J723 is the connector for the Monogram Tub Lighting and the Moisture Sensor for more information on the mois...

Page 54: ...pin 6 red 11 12 ohms Shorted or open replace motor check connectors if OK replace inverter DVKHV ZLWK VHFRQG SDXVH Open TCO in Circulation Motor check for continuity inverter connector SLQ EURZQ RUDQ...

Page 55: ...TCO Drain Motor Windings Circulation Motor Windings TCO Circuit Circulation Motor TCO IRXU DVK HUURU LQGLFDWHV DQ RSHQ 7 2 LQ RQH RI the motors Both motors will have to be checked LQGLYLGXDOO 7KH 7 2...

Page 56: ...is visible from the front by removing the toe kick panel Replacing the module requires that the dishwasher is removed from installation The Wi Fi Module LED may be seen by looking under the dishwasher...

Page 57: ...RI SRZHU XS RI WKH GLVKZDVKHU The LED can be viewed by looking at the module from the front of the dishwasher with the toe kick and insulation removed It indicates the module is receiving operating v...

Page 58: ...er than 15 minutes the OLJKW ZLOO WXUQ R DXWRPDWLFDOO 7KH OLJKW DOJRULWKP will reset when the door is closed and then reopened There are four lights in the tub lighting system two on the top one on th...

Page 59: ...H VXPS 7KH RRG VZLWFK LV ORFDWHG RQ WKH ERWWRP RI WKH VXPS 7KH VZLWFK ZLOO RSHQ WKH OO FLUFXLW VKRXOG WKH OO OHYHO UHDFK D QHDU RRG FRQGLWLRQ OO PRGHOV KDYH VLGH OO MHWV LQWURGXFLQJ ZDWHU IURP ERWK VL...

Page 60: ...60 Diagnostics Strip Circuit...

Page 61: ...the sump It ZLOO RSHQ WKH OO FLUFXLW VKRXOG ZDWHU UHDFK D QHDU RRG FRQGLWLRQ Flood Switch Removal If the dishwasher is installed with the level legs extended the 1 4 in hex head screw may be removed...

Page 62: ...V KDYH VLGH OO MHW DVVHPEOLHV ZKLFK VKRZHU WKH ORZHU UDFN IURP ERWK VLGHV GXULQJ WKH OO F FOH Q HOERZ WUDQVLWLRQV WKH OO KRVHV WR WKH DVVHPEO and secures the jets to the tub A seal is located on both...

Page 63: ...nsumer WKH H LELOLW RI ZDVKLQJ LQ WKH ORZHU RU XSSHU UDFNV RQO 8VLQJ WKLV IHDWXUH ZLOO VKRUWHQ WKH F FOH WLPH E LOWUDWLRQ KDV EHHQ JUHDWO LPSURYHG WR DOORZ FOHDQ OWHUHG ZDWHU WR FLUFXODWH GXULQJ ZDVK...

Page 64: ...iew 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...

Page 65: ...nd PDT835J Only A circulation and drain pump motors fuse is located on the main control board If found open while testing for no circulation pump or no drain operation the main control and circulation...

Page 66: ...tion pump Filtration Good OWUDWLRQ LV NH WR JRRG ZDVK SHUIRUPDQFH 7KH 8OWUD QH OWHU LV FRQVXPHU UHPRYDEOH ZLWK D twist lock design The Owner s Manual advises the consumer to remove and clean every 60...

Page 67: ...follow Lockout Tagout LOTO 6 Step Process prior to beginning repair Hidden Heater A hidden heater allows for a cleaner appearance DQG PRUH H FLHQW ZDWHU KHDWLQJ V VWHP W DOVR ensures that hot water is...

Page 68: ...ok for 10 to 15 ohms across the violet to white red wires If the circuit is open replace the complete pump motor assembly Voltage may also be checked with the main control in the service position With...

Page 69: ...assembly The Diverter is the key component which allows lower water use by alternating water to the lower spray arm silverware wash mid upper spray system bottle wash mid spray arm and upper spray sys...

Page 70: ...hen 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 repl...

Page 71: ...door 4 Remove the sump assembly 5 Remove three 1 4 in hex head screws securing the diverter to the sump 6 Loosen the clamp on the diverter inlet hose to the circulation pump Slide the diverter and ho...

Page 72: ...stallation Turbidity Sensor and Thermistor VOLTAGE RESISTANCE TEMPERATURE 95 20066 50 F 1 56 10450 75 F 2 25 5824 100 F 2 91 3411 125 F 3 48 2081 150 F 3 91 1330 175 F Operation The Turbidity Sensor m...

Page 73: ...Calibration will not occur on demand Turbidity Sensor Diagnostics If the turbidity sensor fails open or shorted the FRQWURO ZLOO GHIDXOW WR WKH PD LPXP OOV DQG circulation time that the control is pro...

Page 74: ...Spray System Middle Conduit Docking Crane Main Conduit Hose Cover Bottle Wash Hose Bottle Wash Manifold Bottle Wash Clips Middle Spray Arm some models Silverware Wash Manifold Silverware Wash Conduit...

Page 75: ...and counter clockwise during the main wash part of the cycle During the pre rinse and post rinse segments the arm turns clockwise only There are two designs of lower spray arms Cafe and 3UR OH PRGHOV...

Page 76: ...and spray arm Monogram models may have the hub tab locked in the spray arm tab or on the edge of the spray arm 3 Slide the conduit out of the diverter tab Spray Arm from Conduit Removal Reversing spr...

Page 77: ...oval 1 Remove both the lower and upper racks 2 Remove the lower spray arm 3 Remove the mid spray arm docking port by releasing the tabs on each side of the docking cone The docking cone will remain at...

Page 78: ...m has 2 counter rotating components available as one part The base portion of the assembly has a counterclockwise rotation as viewed from above and has a paddle appearance shown as a shaded part The t...

Page 79: ...mid spray arm The mid conduit is replaced as an assembly individual parts for the assembly are not available separately The middle conduit has a port on the right side to DOORZ ZDWHU RZ WR WKH ERWWOH...

Page 80: ...rol changes the wash algorithm The upper spray arm and bottle wash jets are cycled a longer time and 23 minutes is added to most cycles when selected Illustrations for the bottle wash system and remov...

Page 81: ...he tub and connects to the four port diverter using the same type of tab as the main conduit To remove the silverware conduit from the diverter push the tab and lift the conduit out of the diverter po...

Page 82: ...s is 27 ohms RU UDLQ ZDWHU ZLOO EDFN XVK WKH QH OWHU WKURXJK WKH FRDUVH OWHU DOORZLQJ IRRG SDUWLFOHV WR VHWWOH WKURXJK WKH RRU SODWH DQG LQWR WKH GUDLQ pump It is normal for the drain pump to start an...

Page 83: ...ip Circuit Diagnostics Variable Speed Drain Motor Diagnosing the variable speed drain motor involves the motor inverter circulation pump and main control These are all located in the Electronics Contr...

Page 84: ...ice guide 4 To remove the harness connector press in on the tab then pull to remove the connector 5 Loosen or remove the Drain Pump Hanger 6 Loosen the hose clamp and discard remove or replace the dra...

Page 85: ...options selected Boost wash options will change the time needed due to hotter temperatures in rinse for the options and cycle selected The table below represents a normal cycle with a Heated Dry optio...

Page 86: ...EQUIRED to follow Lockout Tagout LOTO 6 Step Process prior to beginning repair Heating Element Dual wattage occurs due to the heat level in the element raising the resistance of the internal element A...

Page 87: ...r be removed from its installation Element Removal Without Uninstalling the Dishwasher 1 Disconnect power to the dishwasher 2 Remove the lower rack 3 Remove the door seethe Door Removal section in thi...

Page 88: ...le is interrupted by opening the door the control will advise the consumer to press START and to close the door If the consumer does not open the door after the cycle is complete the fan will run anot...

Page 89: ...or The inner door can be placed back on the dishwasher and plugged in the door harness The dishwasher can be placed into Service Mode and the fan can be turned on Dry motors Power Dry and Monogram Max...

Page 90: ...90 Schematics CDT835SxJ0xx PDT825SxJ0xx and PDT835SxJ0xx...

Page 91: ...91 CDT835SxJ0xx PDT825SxJ0xx and PDT825SxJ0xx...

Page 92: ...92 ZDT915SxJ0xx and ZDT915SxJ0xx...

Page 93: ...RANTIES Your sole and exclusive remedy is product repair as provided in this Limited DUUDQW Q LPSOLHG ZDUUDQWLHV LQFOXGLQJ WKH LPSOLHG ZDUUDQWLHV RI PHUFKDQWDELOLW RU WQHVV IRU D particular purpose ar...

Page 94: ...32 33 Front Control UI 33 Full Extension Rails 24 H Heat Element 85 Hinges 20 35 hose 25 41 42 43 67 71 82 84 I Inner Door Panel 36 Inner Door Vent Cover 31 J Junction Box 19 L Latch Switch Diagnosis...

Page 95: ...95 Tub Trim 19 Turbidity Sensor 9 44 45 63 72 73 U UI Diagnostics 50 Upper Spray System 80 V Vent Parts 37 W Warranty 93 Water Level 59 Water Valve 9 47 59 62...

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