Question about Bosch SHU5316UC Dishwasher

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Controller, door interlock and motor replaced. Unit comes on, but does not operate.

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  • Bosch Master
  • 2,605 Answers


Hello Dave,

Welcome to FixYa.

Try this test I posted below and let me know what error you find...if any.

To begin the test program, press both the SCRUB WASH and DELICATE/ECONO wash program buttons at the same time

as you turn the unit on by pressing the ON/OFF button. Initially, the control unit version number will appear in the display

(e.g./ 20 = version 20, 21 = version 21, etc.).


When the wash program buttons are released, the LED's above them will begin flashing. To end the test program or test cycle, press the ON/OFF button.


To check the wash program LED, press its corresponding button.


To check the Cycle Countdown display, Refill Rinse Agent LED and REGULAR WASH button LED, press the REGULAR WASH button (press the DELAY START button to test the

Cycle Countdown display alone).


The Cycle Countdown display should show "88" when the DELAY START button is pressed and "8h" when the REGULAR WASH button is pressed.


To start the test cycle, press both the SCRUB WASH and DELICATE/ECONO buttons a second time.


When the test cycle has completed, the Cycle Countdown display will indicate a fault using the codes below. If a combination of faults exists, the code numbers will be added together, (e.g./ 6 = faults 2 + 4).


0 = No faults

1 = Aqua Sensor ("Sensotronic") fault

2 = Heating fault

4 = Filling fault
8 = NTC (temperature sensor) fault

email me at macmarkus@live.ca and I can send you via a "pdf" of the diagnostic/repair manual for your specific Bosch...provided it is indeed a SHU5316 unit.

I`ll watch for your reply. Good luck.

Regards,

Macmarkus :)

Posted on Sep 30, 2010

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Posted on Jan 02, 2017

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1 Answer

What does DE error indicate?


DE indicates "Door error" The door isn't closed properley or the door interlock mechanism is failing. Samsung and LG machines do occasionally have an issue with the door interlock connector coming adrift from the lock mechanism. Unfortunately it's as likely to be a faulty lock or a problem with the main controller

Dec 26, 2015 | Samsung Washing Machines

Tip

Troubleshooting Guide


  • Problem: Totally dead oven.
    Possible causes:
    1. No power to outlet (blown fuse or tripped breaker or GFCI).
    2. Blown main fuse - likely due to other problems.
    3. Open thermal protector or thermal fuse.
    4. Defective controller or its power supply.
    5. Clock needs to be set before other functions will operate (some models).

  • Problem: Totally dead oven after repair.
    Possible causes:
    1. Cabinet screws replaced in incorrect location (safety interlock not engaged).
    2. Any number of screwups. :)

  • Problem: No response to any buttons on touchpad.
    Possible causes:
    1. Door is not closed (some models).
    2. You waited to long (open and close door to wake it up).
    3. Controller is confused (pull plug for a minute or two to reset).
    4. Defective interlock switches.
    5. Faulty controller or its power supply.
    6. Touchpad or controller board contaminated by overenthusiastic cleaning.
    7. Defective/damaged touchpad.

  • Problem: Oven runs when door is still open.
    Possible causes:
    1. Damaged interlock assembly.
    2. Cooling fans (only) running due to bad sensor or still warm.

  • Problem: Oven starts on its own as soon as door is closed.
    Possible causes:
    1. Defective triac or relay.
    2. Controller is confused (pull plug for a minute or two to reset).
    3. Defective controller or its power supply.
    4. Touchpad or controller board contaminated by overenthusiastic cleaning.
    5. Defective/damaged touchpad.

  • Problem: Oven works but display is blank.
    Possible causes:
    1. Defective controller or its power supply.
    2. Broken display panel.
    3. Oven needs to be reset (pull plug for a minute or two to reset).

  • Problem: Whacked out controller or incorrect operation.
    Possible causes:
    1. Previous or multipart cook cycle not complete.
    2. Controller is confused (pull plug for a minute or two to reset).
    3. Defective controller or its power supply.
    4. Touchpad or controller board contaminated by overenthusiastic cleaning.
    5. Defective/damaged touchpad.
    6. Defective sensor (particulalry covection/mirowave combos).

  • Problem: Erratic behavior.
    Possible causes:
    1. Previous or multipart cook cycle not complete.
    2. Bad connections in controller or microwave generator.
    3. Faulty relay - primary (or HV side, much less commonly used).
    4. Defective controller or its power supply.
    5. Bad contacts/connections on mechanical timers. Intermittent fuse.
    6. Power surge at start of cook cycle confusing controller.
    7. Microwave (RF) leakage into electronics bay.

  • Problem: Some keys on the touchpad do not function or perform the wrong action.
    Possible causes:
    1. Touchpad or controller board contaminated by overenthusiastic cleaning.
    2. Defective/damaged touchpad.
    3. Controller is confused (pull plug for a minute or two to reset).
    4. Faulty controller.

  • Problem: Microwave oven does not respond to START button.
    Possible causes:
    1. Defective START button.
    2. Faulty interlock switches.
    3. Door is not securely closed.
    4. Faulty controller.
    5. You waited too long - open and close door to wake it up!

  • Problem: No heat but otherwise normal operation.
    Possible causes:
    1. Blown fuse in HV transformer primary circuit or HV fuse (if used).
    2. Bad connections (particularly to magnetron filament).
    3. Open thermal protector or thermal fuse.
    4. Open HV capacitor, HV diode, HV transformer, or magnetron filament.
    5. Shorted HV diode, HV capacitor (will blow a fuse), or magnetron.
    6. Defective HV relay (not commonly used).

  • Problem: Timer and light work but no heat, cooling fan, or turntable rotation.
    Possible causes:
    1. Defective (lower) door interlock switch or door not closing fully.
    2. Faulty relay or triac.

  • Problem: Fuse blows when closing or opening door:
    Possible causes:
    1. Defective door interlock switch(s).
    2. Interlock switch knocked out of position.
    3. Misaligned door.

  • Problem: Loud hum and/or burning smell when attempting to cook.
    Possible causes:
    1. Shorted HV diode, magnetron.
    2. Burnt carbonized food in or above oven chamber.
    3. Shorted winding in HV transformer.
    4. Frayed insulation on HV wiring.

  • Problem: Arcing in or above oven chamber.
    Possible causes:
    1. Burnt carbonized food deposits.
    2. Exposed sharp metal edges.

  • Problem: Fuse blows when initiating cook cycle.
    Possible causes:
    1. Defective interlock switches or misaligned door.
    2. Shorted HV capacitor.
    3. Shorted HV diode.
    4. Shorted magnetron (probably won't blow main fuse but HV fuse if used).
    5. Defective triac.
    6. Old age or power surges.
    7. Defective HV transformer.
    8. Short in wiring due to vibration or poor manufacturing.

  • Problem: Fuse blows when microwave shuts off (during or at end of cook cycle).
    Possible causes:
    1. Defective triac (doesn't turn off properly).
    2. Defective relay.
    3. Shorting wires.

  • Problem: Oven heats on high setting regardless of power setting.
    Possible causes:
    1. Faulty primary relay or triac or HV relay (not commonly used).
    2. Faulty controller.

  • Problem: Oven immediately starts to cook when door is closed.
    Possible causes:
    1. Shorted relay or triac.
    2. Faulty controller.

  • Problem: Oven heats but power seems low or erratic.
    Possible causes:
    1. Low line voltage.
    2. Magnetron with low emission.
    3. Faulty controller or set for wrong mode.
    4. Stirrer (or turntable) not working.
    5. Intermittent connections to magnetron filament or elsewhere.
    6. Faulty primary relay or triac or HV relay (not commonly used).

  • Problem: Oven heats but shuts off randomly.
    Possible causes:
    1. Overheating due to blocked air vents or inoperative cooling fan.
    2. Overheating due to bad magnetron.
    3. Bad connections in controller or microwave generator.
    4. Faulty interlock switch or marginal door alignment.
    5. Faulty controller.
    6. Overheating due to extremely high line voltage.
    7. Stuck stirrer fan resulting hot spots detected by sensors.

  • Problem: Oven makes (possibly erratic) buzzing noise when heating.
    Possible causes:
    1. Fan blades hitting support or shroud.
    2. Vibrating sheet metal.
    3. Vibrating transformer laminations.
    4. Turntable or stirrer hitting some debris.

  • Problem: Oven light does not work.
    Possible causes:
    1. Burnt out bulb :-).
    2. Bad connections.

  • Problem: Fans or turntables that do not work.
    Possible causes:
    1. Gummed up lubrication or bad motor bearing(s).
    2. Loose or broken belt.
    3. Bad motor.
    4. Bad thermostat.
    5. Bad connections.

on Mar 30, 2008 | Kenmore 80412 Microwave Oven

1 Answer

HP Printer, CP5225, Error message, Right door open, door is shut but will not reset error?


This sounds to be a sensor issue. Try:
Reconnect the connector (J708) of the 24V interlock switch and the connector(J121X) on the DC controller PCA.


Also, try to check the sensor flag of the right door. If it is damaged,replace the right door sensor unit.


The sensor worked for me.

Aug 19, 2013 | HEWLETT-PACKARD Color LaserJet CP5225...

1 Answer

I have a microwave hood combo - kenmore. the power goes out when i open the door or closes it, then it comes back on -


Hi and welcome to FixYa, I am Kelly.
You have a bad door interlock switch or bent switch actuation arm. Should someone open the door while the microwave is operating without pressing pause/stop when the unit has this symptom will cause the internal fuse to blow and it will not operate until the fuse is replaced. The switches are inexpensive but takes someone with some reasonable mechanical skills and knowledge of using a meter to isolate which of the 3 door interlock switches is causing the problem.
Thanks for choosing FixYa,
Kelly

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1 Answer

E20 error


There is a problem with the machine interlock system

The interlock for the machine sends an error to the motor control unit if the door lock relay is not closed before a wash. Probable cause is that the door lock unit is faulty. Check if the machine closses the door before it indicates the error

Oct 03, 2010 | Zanussi IZ161W Front Load Washer

2 Answers

Washing maching says door open


As you have replaced the interlock switch check that it is working my using a multimeter on it.

If that is Ok then you probably have a problem with the wiring from the switch to the controller board or with the controller board itself.

Sep 12, 2009 | Whirlpool Washing Machines

1 Answer

Error E02E02


E02E02
Roll media set sensor error
<Cause>
This is displayed when the roll media set sensor could not detect positional changes by the paper guide during the paper guide opening and closing operations.
<Probable problem locations>
Roll media set sensor, roll media tray unit, roll drive unit, motor driver PCB, engine controller, system controller
<Remedy>
1.Visual check
Remove any foreign objects adhering to the roll media set sensor.
2.Roll media set sensor
Check operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.
3.Cable connection check
Replace the cable between the roll media set sensor and engine controller if the connection is not functioning normally.
4.Roll media tray unit
Replace the unit if a visual check reveals that the gears are damaged, deformed, or otherwise do not function normally.
Replace the unit if an operation check reveals that the roll release lever does not function normally.
5.Roll drive unit
Replace the unit if a visual check reveals that the gears are damaged, deformed, or otherwise do not function normally.
6.Cable connection check
Replace the cable between the roll drive unit and motor driver PCB if the connection is not functioning normally.
7.Replace the motor driver PCB.
8.Cable connection check
Replace the cable between the motor driver PCB and engine controller if the connection is not functioning normally.
9.Replace the engine controller.
10. Replace the system controller.

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1 Answer

TRICITY BENDIX AUTOWASHER CAW 1000 will not operate


if not starting at all, fault is probably the door interlock - easy to replace.
disconnect from mains.
prise off the plastic clamp holding door seal to cabinet and peel back the seal in the area of the door interlock.
interlock is held by 2 screws from the outside and remove these so interlock comes away. remove electrical plug and socket connection and remove the small diameter hose at the bottom of the interlock. interlock can now be removed completely.
refitting is just the reverse.

Nov 10, 2008 | Washing Machines

2 Answers

May Tag Neptune Dryer


check for an open door interlock. the centrifugal switch inside the motor may not be coming up to speed to keep the motor turning. the door interlock is part of the seal-in circuit to the motor.

Aug 28, 2007 | Maytag Neptune MDG5500AW Gas Dryer

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