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Martin Logan Script ESL panel failure. Fuse blown, points to transformer failure. Is there anyone in the Birmingham area that can help with diagnosis/ repair please.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

skipper360
  • 58 Answers

SOURCE: blown transformer

Do you know the Input and Output voltage on this transformer? The only advice I got 4u is to find the Identical/similar Input/output/wattage for this transformer or find a shop that can rewind a new wire's on that transformer. Hope this may help you

Posted on Aug 06, 2007

JULIANFIX
  • 975 Answers

SOURCE: blown fuse

usually these step up transformers are design for one appliance at a time , let me know the brand and model number of transformer so I can get the specs info , does the stereo also shuts down?? let me know AJ

Posted on May 09, 2008

  • 293 Answers

SOURCE: Eurovox T/W codes

0=3F 32 37 03 D0 73 84 84
1=F0 83 35 E5 28 40 49 B2

Posted on Dec 04, 2008

  • 5 Answers

SOURCE: starview 1 not working keeps trying to update info but not happen

you can get temp codes off "cable closet" but no fix out for sv1 yet

Posted on Dec 05, 2008

  • 7 Answers

SOURCE: Eurovox codes for Birmingham area - 06/10/09 ???

ntl: 5401
A0 51 3B 27 17 7D D0 28
F0 CF C3 01 F1 2D AB B8

cw: 5c01
BC B6 BB DD 97 AD 11 63
42 B7 84 3E BE 8C 4E 65

hope this helps

Posted on Oct 06, 2009

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Hi, our Miele Classic H147-2MB, we have had for about six years. The oven and grilll aspectys still work fine, but the microwave function has stopped working. Any ideas? Also, as an aside, the markings...


Hi - it can be repaired - there are a few things that may have gone AWOL with the machine - there is the Magnetron (specially made), the door interlock, HV transformer, HV diode.

The only way is to have it inspected and the above components tested for failure - it could any of these or a combination of two - there is a control fuse also which is likely to be blown as well. The magnetron would be the expensive component and Miele units are unque design where other brands would not be compatible.

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I have the model FMAC101D1PS and now it's not heating. I press the minutes to heat, it run but it doesn't heat anyting.


Most likely causes are an open thermal protector or thermal fuse but could also be blown fuse in HV area of microwave (somewhat uncommon in domestic microwaves).
Less likely causes are failure of other parts in the HV area.



If the main power fuse is located in the primary of the high voltage transformer rather then at the line input, the clock and touchpad will work but the fuse will blow upon initiating a cook cycle. Or, if the fuse has already blown there will simply be no heating action once the cook cycle is started. There are other variations depending on whether the cooling fan, oven light, and so forth are located down stream of the fuse.

Some models may have a separate high voltage fuse. If this is blown, there will be no heating but no other symptoms. However, high voltage fuses are somewhat rare on domestic ovens.

A number of failures can result in the fuse NOT blowing but still no heat:

  • Bad connections - these may be almost anywhere in the microwave generator or the primary circuit of the HV transformer. A common location is at the crimp connections to the magnetron filament as they are high current and can overheat and result in no or intermittent contact. See the section: See the section: Testing the magnetron (see repair manual link below).
  • Open thermal protector - usually located on magnetron case. Test for continuity. It should read as a dead short - near zero ohms. See the section: Testing thermal protectors and thermal fuses (see repair manual link below).
  • Open thermal fuse - some ovens have one of these in the primary circuit. It may be in either connection to the HV transformer or elsewhere. Test for continuity. It should read as a dead short - near zero ohms.
  • For the various HV parts and how to test them follow this link: Microwave Repair Manual link.

A shorted HV diode, magnetron, or certain parts of the HV wiring would probably result in a loud hum from the HV transformer but will likely not blow the main fuse. (However, the HV fuse - not present on most domestic ovens - might blow.)

Depending on design, a number of other component failures could result in no heat as well including a defective relay or triac, interlock switch(s), and controller.

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I have an Insignia 42" plasma HD tv. It turned off while watching it. when I tryed to turn it back on I could her click on and I got the green light but it went to red and i could hear it click off. I...


Those transformers on the power supply board have shorted.That why,it killing ur fuse.Which one?Must test and find out,if u have the equipment and the skill.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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Post back what you see inside so we can guide you further.

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Eurovox codes for Birmingham area - 06/10/09 ???


ntl: 5401
A0 51 3B 27 17 7D D0 28
F0 CF C3 01 F1 2D AB B8

cw: 5c01
BC B6 BB DD 97 AD 11 63
42 B7 84 3E BE 8C 4E 65

hope this helps

Oct 06, 2009 | StarTech.com StarView SV211K 2-port KVM...

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Microwave Oven has died


Hi.
Check continuity of this 10A fuse to see if it's blown.

What is most likely to have happened, is that an internal short has happened inside the main transformer. These cannot be rectified, and often means scrapping the complete item due to cost of replacement.
However - if you can find another microwave with a different fault - just remove the good transformer.

Checking the transformer for a short at high voltage is not recommended.
You could try a spare 10A fuse as a start point (probably a leaded type) - but expect it to blow again. DON'T go higher or omit !

Sep 30, 2009 | Microwave Ovens

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let me give you a tip ;) power transformer has thermal fuse inside its tape-bounding area. try to locate it and check..transformer might be Ok and fuse has blown.

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Blown fuse


usually these step up transformers are design for one appliance at a time , let me know the brand and model number of transformer so I can get the specs info , does the stereo also shuts down?? let me know AJ

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