Parts/Service for KDTE104ESS3

Parts/Service for KDTE104ESS3

Brand: Whirlpool logo Whirlpool

Category: Dishwasher

Document Type: Parts/Service

Language: EN

Uploaded: Nov. 21, 2025, 7:13 p.m.

Warranty Information

This document is a service manual and does not contain warranty information.

This service manual provides detailed information for technicians on diagnosing and repairing Whirlpool dishwasher models. It includes safety precautions, specifications, wiring diagrams, diagnostic cycle procedures, error code tables, and troubleshooting guides for various functions such as washing, rinsing, draining, drying, and user interface issues. The manual details how to check fuses, components, and circuits, as well as interpret error codes to identify and resolve appliance malfunctions.

Troubleshooting and error codes

Function Code Problem Code Causes What to Check Related Error Code
1-Control 1-Pilot Stuck On Control detected K2 pilot relay stuck closed. 1. Unplug dishwasher or disconnect power. 2. Check all loads on K2 pilot relay for shorts. 3. Replace control and all shorted components.
2-User Interface 1-Corrupted or corrupted memory or control board. 1. Damaged or corrupted memory or control board. 2. Incompatible software components inside micro. 1. Unplug dishwasher or disconnect power. 2. Replace control board.
2-User Interface 2-All LED's are On. Control detected stuck key(s) in keypad or keypad connection. 1. Unplug dishwasher or disconnect power. 2. Replace UI (for numeric display models only). Check responsiveness of each key.
2-User Interface 2-No Response from UI User interface cannot communicate with main control. Loose user interface connection. 1. Unplug dishwasher or disconnect power. 2. Check the connection between the Ul and the control P1C connector. If the connection(s) are loose or if wires are loose or damaged, reconnect, repair, or replace as needed. 3. Refer to "Service Error Codes" table for stuck key (2-1). Run the diagnostic check, item (1). - If drain motor turns on, replace the console. - If drain motor does not turn on, replace the control.
3-Thermistor Open /OWI 1-Open or faulty temperature sensor. - Open connector or component in Temperature Sensing circuit. - Open or faulty temperature sensor. Temperature sensor input on control. 1. Check operation of temperature sensor in Service Diagnostics cycle. 2. Unplug dishwasher or disconnect power. 3. Check all components and connections in the Temperature Sensing circuit with meter. Fix/replace open connection/part.
3-Thermistor Open /OWI 2-Shorted - Incoming water temperature above 167°F (75°C). - Shorted connection or component in Temperature Sensing circuit. - Shorted or faulty temperature sensor. Temperature sensor input on control. 1. Check incoming water temperature above 167°F (75°C). 2. Check operation of temperature sensor in Service Diagnostics cycle. 3. Unplug dishwasher or disconnect power. 4. Check all components and connections in the Temperature Sensing circuit with meter. Fix/replace shorted connection/part. (See OWI Sensor strip circuit.)
3-Thermistor Open /OWI 3-Failed Calibration 1. OWI failure. 1. Run Service Diagnostics to check OWI operation. OWI should see low soil with clear water. 2. Check OWI lens surface. Clean if needed. 3. Unplug dishwasher or disconnect power. 4. Check all connections in the Soil Sensing circuit with meter. Fix/replace bad connection/part. NOTE: Run diagnostics after replacing new OWI to force calibration on next wash cycle.
4-Wash Motor 3-Motor Not Running 1. Loose connection in Motor circuit and/ or faulty wash motor. 2. Control Motor Drive circuit or Sense circuit. 1. Check operation of wash motor during diagnostics. 2. Unplug dishwasher or disconnect power. 3. Check resistances of connections in the Wash circuit. Check for loose connections or replace wash motor. 1. Unplug dishwasher or disconnect power. 2. If meter check of Wash Motor circuit shows normal resistance and still not getting power to the wash motor, replace control.
5-Door Switch 1-Door Stuck Open 1. Door was not latched within 4 seconds of pressing the Start/Resume key. 2. Loose connection in Door Switch circuit and/ or door switch contacts stuck open and/or door switch not making contact: Sloppy door latch assembly, which can be aggravated by high door closure force, keeping strike plate from fully seating. - Door switch (high resistance). Instruct customer. Refer to Use and Care Guide. 1. Check strike plate and door closure force. Verify door seal is seated properly. Check for interference between dish racks and door. Try bending strike plate down for better engagement. 2. Unplug dishwasher or disconnect power. 3. Check resistances of door switch contacts and all connections in the Door Switch circuit with meter while opening and closing the door latch. - If high resistance with door closed, check/fix loose connections. 4. Measure resistance of door switch contacts while checking mechanical operation of latch assembly. Check for broken plastic pieces on latch assembly. Replace latch if faulty.
5-Door Switch 2-Door Stuck Closed Control programmed to not start if it suspects the door switch is stuck closed. Control looks for the door switch to open between cycles. Customer didn't open the door between cycles or door switch contacts stuck closed. 1. Open and close door and then press Start/Resume key. If it works now, instruct customer to open door between cycles. 2. Unplug dishwasher or disconnect power. 3. Measure resistance of door switch contacts while checking mechanical operation of latch assembly.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 1. No water to dishwasher. 2. Bowls or pots loaded or flipped and captured wash water. Verify water supply is turned on and supply line adequate. Instruct customer on loading. Refer to Use and Care Guide.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 3. Drain loop detached from tub unit or improper drain connection. Check for water siphoning out of unit: 1. Allow dishwasher to complete normal fill. 2. Drain for 5-10 seconds by pressing CANCEL/DRAIN. 3. Open door and confirm water does not siphon out of unit. If it does, confirm drain loop is attached to side of dishwasher and drain hose is connected to a drain at least 20" (50.8 cm) off the floor.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 4. Water leaking from dishwasher. Check for leaks under dishwasher.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 5. Fill valve or water line plugged with debris. Turn off water supply to dishwasher, disconnect water line to inlet valve, inspect/clean the inlet screen of fill valve, and reconnect water.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 6. Overfill switch stuck in "Overfill" position and/or dishwasher not level. Check other error codes to see if 6-4 also occurred. See 6-4 Error Code.
6-Inlet Water 1-Low/No Water (Mechanical Problem) 7. Fill valve electrical problem. Check other error codes to see if 6-2 also occurred. See 6-2 Error Code.
6-Inlet Water 2-Fill Valve (Electrical Problem) 1. Loose connection in Fill Valve circuit and/ or open fill valve solenoid. 2. Open fuse on control to fill valve. 3. Fill Valve Drive circuit on control. Unplug dishwasher or disconnect power and check resistances of fill valve solenoid and all connection in the Fill circuit with meter. Fix/replace open connection/part. Refer to "Fuse Service Check" in "Meter Check of Loads and Fuses" section. Unplug dishwasher or disconnect power and replace control.
6-Inlet Water 3-Suds/Air in Pump 1. Too many suds. 2. Bowls or pots loaded or flipped and captured wash water. 3. Water leaking from dishwasher. 4. Diverter disk in sump is missing. 1. Allow unit to fill and wash for 1 minute. Open door and check for excessive sudsing. 2. Confirm using proper dishwasher detergent, not hand detergent. 3. Check for excessive rinse aid leakage. Instruct customer on loading. Refer to Use and Care Guide. Check for leaks under dishwasher. Remove lower spray arm, turbo zone assembly, rear feed tube, and outlet cover and verify whether the red diverter disk is installed.
6-Inlet Water 4-Float Switch Open 1. Overfill switch stuck in "Overfill" position and/ or dishwasher not level. 2. Drain hose check valve not sealing. Remove any items stuck under the float. Verify that the float moves freely and you hear the "click" of the switch contacts. Check/adjust level of the dishwasher. Water backs into dishwasher after draining and elevates water level. 1. Disconnect drain hose at plumbing connection. 2. Elevate hose above dishwasher and fill with water. If water flows into dishwasher, replace entire drain loop. Install as high as possible and attach to underside of countertop if possible.
6-Inlet Water 4-Float Switch Open 3. Fill valve triac on control shorted. If still filling while door is open, fill valve is mechanically stuck open (see below). If not filling with the door open, check operation in Service Diagnostics Test Cycle. Advance Service Cycle until detergent dispenser opens. Fill valve should be off. Listen to see if dishwasher is still filling. If still filling, unplug dishwasher or disconnect power and replace control.
6-Inlet Water 4-Float Switch Open 4. Fill valve mechanically stuck open. Confirm dishwasher fills while the door is open. If yes, unplug dishwasher or disconnect power, turn off water to dishwasher, replace fill valve, and turn water back on.
6-Inlet Water 4-Float Switch Open 5. Too many suds. 1. Allow unit to fill and wash for 1 minute. Open door and check for excessive sudsing.
6-Inlet Water 4-Float Switch Open 6. Open fuse F9 to fill valve and other triac loads. Refer to "Fuse Service Check" in "Meter Check of Loads and Fuses" section.
6-Inlet Water 5-Flowmeter Disconnected or damaged 1. Disconnect power or unplug unit. 2. Check connections at salt level sensor and at flowmeter. 3. Use meter to check for flowmeter switch closed. Use meter to check salt level sensor. Switch is open when salt reservoir is filled and closed when salt reservoir is low/ empty. 4. Disconnect flowmeter and leave salt level sensor connected. Apply a magnet to side of the tank near the sensor connection to force the switch closed. 5. With the magnet in place, run the complete Service Diagnostics cycle. If the sanitized LED turns on in interval 3, the control is good; replace the flowmeter assembly. If the sanitized LED does not turn on, the control input has failed; replace the control.
7-Heating 1-No Heat 1. Control programmed to disable heater, but only runs cycles if it detects a water heating problem. 2. Heater circuit problem: - Open in heater. - Open connection or component in heater circuit. 3. Heater Drive circuit on the control. Running diagnostics clears the control and allows the heater to turn on again. Water heating problem must be corrected, or the control will disable the heater again. See Heater circuit problem below. 1. Unplug dishwasher or disconnect power. 2. Measure resistance of heater and all components and connections in the Water Heating circuit/Heat Dry circuit. Fix/replace open connection/part. Unplug dishwasher or disconnect power and replace control.
7-Heating 2-Heater Stuck On Heater Drive circuit on the control. 1. Unplug dishwasher or disconnect power and replace control. 2. Inspect heater and connections for overheating/shorting. If evidence of overheating or shorts exists, replace.
8-Draining 1-Drain Motor Electrical Problem 1. Loose connection in Drain Motor circuit and/ or open Drain Motor winding. Unplug dishwasher or disconnect power and check resistances of drain motor winding and all connections in the drain motor circuit. Fix/replace open connection/part.
8-Draining 2-Debris stuck in Drain Motor impeller. 1. Unplug dishwasher or disconnect power. 2. Remove drain motor and dislodge debris from impeller.
8-Draining 2-Debris stuck in Drain Motor impeller. 3. Open fuse on control to drain motor. Refer to "Fuse Service Check" in "Meter Check of Loads and Fuses" section.
8-Draining 2-Debris stuck in Drain Motor impeller. 4. Drain Motor Drive circuit on the control. Unplug dishwasher or disconnect power and replace control.
8-Draining 3-Drain Stuck On Drain Motor Drive circuit on the control. 1. Unplug dishwasher or disconnect power and replace control. 2. Inspect drain motor and connections for overheating/shorting. If evidence of overheating/shorting exists, replace.
9-Diverter 1-Can't Find Position 1. Corroded or loose connection in diverter sensor/ motor circuit or open/shorted sensor/motor. 2. Mechanical binding of diverter shaft/disc. 3. Open fuse on control to diverter motor. 4. Diverter Motor Drive circuit on the control. 1. Check operation in Service Diagnostics Cycle. Listen for cam clicking as it rotates or inspect shaft with mirror to see if rotating during diverter interval. If rotating, it is likely the sensor circuit. 2. Unplug dishwasher or disconnect power and check connections in Diverter Sensor and Motor circuit with meter. Fix/replace open connections/parts. 3. Inspect diverter sensor for evidence of water or contaminants. If yes, replace. Check operation of diverter motor during diagnostics. Inspect diverter shaft with mirror. If motor appears to be on (vibrates, hums), but you see limited rotation, replace diverter land seal. Refer to "Fuse Service Check" in "Meter Check of Loads and Fuses" section. Unplug dishwasher or disconnect power and replace control.
9-Diverter 2-Stuck On Diverter Drive Circuit on the control. 1. Unplug dishwasher or disconnect power and replace control. 2. Inspect diverter motor and connections for overheating/shorting. If evidence of overheating/shorting exists, replace.
9-Diverter 3-Disk Missing Control detected diverter disk in sump is missing. Remove lower spray arm, turbo zone assembly, rear feed tube, and outlet cover. Verify the round diverter disk is installed.
10-Other Dispenser 1-Electrical Problem 1. Loose connection in Dispenser circuit and/or open dispenser solenoid. 2. Open fuse on control to dispenser. 3. Dispenser Drive circuit on the control. Unplug dishwasher or disconnect power and check resistances of dispenser solenoid and all connections in the Dispenser circuit. Fix/replace open connection/part. Refer to "Fuse Service Check" in "Meter Check of Loads and Fuses" section. Unplug dishwasher or disconnect power and replace control.
10-Other Drying Fan Error 1-Loose connection in fan circuit, and/or open fan motor. 2. Fan drive circuit on the control. Unplug dishwasher or disconnect power and check resistances of fan motor and all connections in the fan circuit. Fix/replace open connections or fan. Unplug dishwasher or disconnect power and replace control.
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