Question about DeLonghi Microwave Ovens

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I need a new door for Delonghi Combi micro/grill model no. DMX30

I was about to use the oven when the phone rang and when I hung up I went straight to the oven and switched on, thinking that I had already put the food in, but the grill rack had fallen over against the door and consequently burnt a hole on the inside.

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  • DeLonghi Master
  • 8,820 Answers

You should be able to find help at the DeLonghi customer service site.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Mar 06, 2009

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The inside light bulb that works when the door opens and food is cooking is burned out, I have the new bulb but don't know where to replace it.


Brand and model would help but I'll guess at this. If micro is a wall hung unit over the range, you usually need to remove the top grill assembly above the door. Then look inside directly above the area where the bulb is located. You should see a metal cover with usually 1 screw in it to remove. Once screw is out that metal plate usually pulls forward and upward to reveal the bulb and socket. Replace bulb and reverse procedure to assemble.
If the micro is a counter top model---the complete outer case usually needs removed if you don't see a small access door by the bulb. Remove all screws around back edge and any screws in the side panels---then lift back edge and pull outer case rearward to remove.

Jun 03, 2015 | Microwave Ovens

Tip

Have a Delonghi combi. Oven and grill work but not the micro wave is it the...


  • 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 Nov 26, 2008 | Kenmore 80412 Microwave Oven

1 Answer

I need to find a User Manual for my DeLonghi Microwave Oven DMX30 - I hope someone can help me.


HELLO.

The best place to get the microwave oven manual guide is to visit the manufacturer website to order for the manual stating the microwave model number and give our house detailed address.

However microwave manual guide can also be purchase at any microwave oven authorized dealer around your local area with the model number for compactibility(easy use).

Thanks.

Sep 19, 2011 | Microwave Ovens

1 Answer

Replace door


If you're replacing the entire door, this is a very simple process that only requires you to open the door all the way and lift straight up at the hinges. The door lifts off the hinge pins, and the new one can be reinstalled by aligning it back on the hinge pins. (You may have to remove the hinges from the old door and install them on the new one on some models). NOTE: In some cases you may have remove the upper grille guard to accommodate lifting the door. The mounting screws for the guard on located across the top of the oven. If you only need to replace the door handle, it can easily be replaced on MOST microwave ovens by removing the inner door panel that goes around the perimeter of the glass. The following link explains how to access and replace the door handle:


http://www.fixya.com/support/r3696942-microwave_oven_door_handle_replacement


The door handle is a simple repair that can be done with the door in place, or with the door removed. You do not have to uninstall the oven if this is an over the range model.

If you have any questions, please post back and let me know. I hope this helps you.

Jul 26, 2011 | GE Spacemaker JVM1540 Microwave Oven

1 Answer

We need to change the door on our microwave. We have the new door, but can't find anything in the manual about removing the old door. It is a Frigidaire Gallery series above range microwave. Any...


The door should come off fairly easily. All you have to do on MOST microwave ovens is open the door all the way and lift straight up at the hinges. The door will come off the hinge pins.

On some models, there may be a small hinge pin on the top hinge that you remove, then lift up.

You may have to remove the grill panel above the door (if equipped) to allow for clearance for the door to come off.

If you have questions, please let me know. I hope you find this helpful.

Sep 05, 2009 | Kenmore 62622 Microwave Oven

1 Answer

Where is the 10 amp fuse on my delonghi micro/combo/grill please


Hi, I take it that this is a combi microwave? Some of these have settings on the front to microwave/grill/etc... so make sure its on the right one first!!
If you have selected the correct one then the m/wave does not work it could be several things!
Microwaves run to earth and need diodes to do this if these break down it will not m/wave! It could also be a internal fuse? ( but very unlikley if everything else works) Then you have the Mag or transformer which could be down to! M/waves run on a high power side and a low power side. The low power will not hurt you to much but the high power side will. My advice to uou is not to touch as it could be fatal as these things carry a high charge even when they are unplugged!

Dec 28, 2008 | DeLonghi MW 605 Convection/Microwave Oven

1 Answer

Everything works perfectly (oven, grill, etc) on my combi microwave except the microwave is it only a fuse? if so how do I change it? or should I just bin it


It is a safety fuse !but somthing has made it blow,and needs checking by microwave engineer.Possibly door interlock fault.Micros can kill even when UNPLUGGED be carefull. If you live in cheshire we can FIX IT Grandadfixer

Nov 05, 2008 | Microwave Ovens

1 Answer

Delonghi combi/micro bulb not working , how do i change the bulb


If there's no obvious removable cover over the bulb (and the owner's manual doesn't address it) some disassembly may be required.

Always unplug a microwave before removing or installing any bulbs.

If it's an over the range type, remove the vent grille across the top and see if bulbs can be accessed there. There may be a panel on the bottom covering the light(s), instead.

If not, chances are you'll have to remove it from the wall, then remove the outer cover. If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

Once it's out of the wall, the outer cover (wrapper) will need to be removed, just as you'll need to do on a counter top model.

On a counter top model, be sure it's unplugged, but otherwise ignore the instructions above this paragraph.

The screws you need to remove should be pretty obvious, but a special driver (such as a T20H type or GTXH20-100) may be needed.

Be sure to put all the screws back in the right holes, since some may be special grounding screws.

Bulbs can be had in most grocery stores, hardware stores, home improvement centers, and big box or department stores.

Many models use halogen lamps. You must not touch the new one with your bare skin, as the oils will shorten the bulb life.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Oct 06, 2008 | Neff H7871 Convection/Microwave Oven

1 Answer

DeLonghi combined microwave/grill/oven.


Found this posted in GE instead of DeLonghi but the basics are the same.

You say it stopped working - you mean it runs but doesn't heat?

Nov 22, 2007 | GE Spacemaker JVM1640SJ Microwave Oven

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