Question about Sharp R-1505 Microwave Oven

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Sharp 1505 Microwave Display Failure

All functions work except the display first partially failed and now completely. Is there a single part that runs the display such as the display itself or display driver that has failed? How grievous is it to replace?

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There are two options for this model:

- You can order our exclusive modified control unit (CU150) with our proprietary upgrades for $95, then if you return your defective control unit in repairable, good cosmetic condition, we'll give you a core refund of $40. Details are here.

- Or we can repair your existing control unit for $39.95 in about a week with a one year guarantee.


We have the service manual for this model and have uploaded it to our site here to help you.

Repair service details are here.

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

Sharp 1505 Microwave Display Failure - 7830c30.jpg

Posted on Jan 18, 2009

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Posted on Jan 02, 2017

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WMG30GS Whirlpool microwave display


please follow this steps and fix it. God bless you
  1. Main control board If the display on your microwave has gone out completely this is usually a sign that it is a malfunctioned main control board. To correct the issue the main control board would need to be replaced.
  2. Display board A display board can either malfunction completely or partially, causing two separate results. If the display on the unit has completely gone out, this can be attributed to either a bad main control board or display board. On the other hand, if the display has only partially gone out, this is usually a sign that the display board is defective and will need to be replaced
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Nov 27, 2013 | Microwave Ovens

1 Answer

Unit cuts off


see this steps and fix it. God bless you

  1. Main control boardIf your microwave runs for a few seconds and stops, the first thing to check is the main control board to ensure that a shortage has not occurred. If the part is defective then it will need to be replaced to prevent continual shut offs. If this is not the issue, the next step would be to check for a faulty touchpad.
  2. Touchpad/Control panelIf the control board is not the issue and your microwave continues to shut off after running for only a few seconds, the next thing to check is your touchpad, which is also known as a control panel. Although uncommon for this issue, symptoms are usually that the display and some buttons are working properly; however, when selected some buttons are not functioning. If this is the case the touchpad will need to be replaced.

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Jul 12, 2013 | Samsung SMH9187 Microwave Oven

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Every function works in my microwave except it does not worm the food or anything placed in it.


It sounds like the magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.

YOUR SAFETY IS PARAMOUNT

This is a job for a professional but if you are safety clued up, here's instruction.
Make sure the !!!!any capacitors are discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.


Feb 27, 2011 | Whirlpool MH2175XS Microwave Oven

2 Answers

I have a Brandt induction cooktop and 2 hotplates don't work at all and the other 2 now don't appear to be connecting with the saucepan. Heat light starts to flash then turns off completely. Unable to...


Sounds like a wiring problem,take off of course with no power and check it out. No harm if no power,and replace wire and or componet with same.

Jan 11, 2011 | Brandt Microwave Ovens

1 Answer

Microwave display flashing & beeping.


You have a failed membrane keypad.

On this model, GE doesn't make any parts available except the tray and the roller.

If it's in warranty, they will exchange or repair it.

It it's out of warranty, you're out of luck.

I'd advise you to contact GE Customer Service in case they may be able to help you.

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

Jul 25, 2010 | GE JES1036PWF 1100 Watts Microwave Oven

1 Answer

Sharp Microwave diplay light not working


We regularly repair these display / control units nationwide by mail for $39.95 postpaid with a one year guarantee.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Jul 07, 2010 | Sharp Microwave Ovens

1 Answer

Only display operative.


If it is working but not heating, then test the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.If turntable is not running check also the door switch.

The diodeand capacitors can be tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, evenif power is off.Capacitors can get discharged by shorting their two contacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.



All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts.

You can also order from MicrowaveSvc , they also provide parts.

May 05, 2009 | Microwave Ovens

1 Answer

Nothing works except the display


If the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

It may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on these.

You can find an authorized Panasonic servicer here.

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

Dec 25, 2008 | Panasonic NN-S961 Microwave Oven

1 Answer

No heat - where is the diode


Sorry to answer so late in the game, but in case others have this problem, you can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383

Aug 23, 2007 | GE JVM1640 Microwave Oven

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