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Old 11-11-2009, 05:34 PM   #1
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Magnum ME 2012 Inverter Noise

My Inverter is making a noise that, almost , sounds like a leaf stuck in a cooling fan. It is 4 years old and have been running most of that time. I am planning on trying to remove the cover tomorrow to see if it is a bearing or just dome debris. Has anyone had their cover off? What can I expect? Do you think the fan is replaceable or will I need to get a new unit?
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Old 11-12-2009, 04:05 AM   #2
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It could be something in the fan blade, the motor itself or even another component causing the noise. I have found some with bad fan motors, transformers, capacitors, relays, and motherboards making noises. Be very careful that you disconnect 12 vdc and the 120/240 vac power supply while you access or remove the cover. Then power it back up when you are ready to troubleshoot the unit. Good luck and keep us posted.
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Old 11-13-2009, 12:38 PM   #3
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Quote:
Originally Posted by Flagelpater View Post
My Inverter is making a noise that, almost , sounds like a leaf stuck in a cooling fan. It is 4 years old and have been running most of that time. I am planning on trying to remove the cover tomorrow to see if it is a bearing or just dome debris. Has anyone had their cover off? What can I expect? Do you think the fan is replaceable or will I need to get a new unit?
Go to a computer type store and buy a can of compressed air. Give the insides a good 'airing out' to remove the dust/crud that accumulates in these things. In fact, I have just stuck the nozzle up close to the fan guard and blown it that way with good results.

I also blow out the keyboard and fan on my computer and any other such appliances.

JMHO
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Old 11-13-2009, 03:44 PM   #4
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Thank you. I will try the air first. When I was out there this morning the noise was gone so I did not take the cover off yet. I do not think a bearing noise would go away. Monaco has this thing in a sealed compartment. It is very clean in there but I also worry about the temperature. Although I have never felt it to be hot to the touch.
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