Question about Delphi MyFi SA10113 XM Radio Receiver with Home and Car Kit

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Blinking and Whining

My "MyFi" is going crazy! The display flickers on & off in the docking unit. Won't hold a charge out of the docking unit, and is making a whining/grinding noise (sort of like a cd-rom drive that is struggling). Any ideas?

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Re: Blinking and Whining

I had this happen, and I solved it by connecting it to the car charger for a while, then bringing it in and connecting it DIRECTLY to the AC charger for a full charge. (This assumes the battery is not just kaput.)

Here's what I think happens: The AC charger doesn't have enough current capability to run the unit by itself AND keepp the battery charged (bad design), so, if left continuously ON, the battery will eventually drain. In this state, if you shut it off, the unit senses a low-battery condition and will try to charge, but the charging circuit tries to draw too much from the AC charger and the voltage droops (causing the whine) to the cutoff point (causing it to stop charging, another case of bad design). The car charger has more current capability, so it gets the battery charged enough to use the AC charger again.

Posted on Apr 19, 2009

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I had the same problem. This procedure from the "Technical Questions" section of worked for me:
"My MyFi won't power up, how do I reset it?
To reset your MyFi, start by turning the receiver off and removing it from its (car, home, audio system) cradle. Then remove the back cover and battery. Using a small paperclip, press the reset button located on the top left corner of the battery compartment. Now plug the AC power adapter into a wall outlet and plug the power port directly into the bottom of the MyFi (battery stays removed). Wait 10 seconds and listen for a beep. After you hear the beep the message "insert battery" will appear. Cycle the MyFi to ensure it powers up and powers down. If the power cycle is normal, then turn off the MyFi, unplug the power adapter, and reinstall the battery. Re-plug the AC power adapter directly into the bottom of the MyFi. Wait 10 seconds and listen for a beep. After the beep you will see the message "battery charging". Leave the MyFi plugged in until it's fully charged. You will see the message "charging complete" displayed. After the MyFi is fully charged, turn it on and reset to the factory defaults. Unplug the MyFi from the AC power adapter and using the battery power leave it on until it fully discharges (approximately 2-5 hours). Plug the MyFi in using the AC power adapter to recharge the unit and resume normal use. If you need help at any point during this process contact us at 1-877-463-3574 for technical support."

I hope it works for you too.

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1 Answer

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