Description
No power from your FlexTT5 or FlexTT6 with fresh batteries? Intermittent problems with the radio? Check your battery contacts. If you’ve had a battery leak or sometimes even just with age or moisture, the metal on the door may become corroded. If the radio gets power from the USB connection, there’s a good chance the issue might just be the contacts.
It can be hard to see the metal contacts when it’s connected to the radio so the best way to check is to remove the door. The video below will show you how to take it off. It will also let you check the internal spring contacts as well. You can try cleaning the metal on the door with a pencil eraser or if you see corrosion, you can rub it with aluminum foil and add a drop or two of lemon juice or vinegar if needed.
You can verify the door is getting a good connection by watching the LED on the radio and wiggling the door. When you first turn it on, you should see a bold green blink (or a red green red green pattern if you have upgraded to the E Release), followed by a lighter green blink every second or so. If you wiggle the battery door, you should not see that bold green blink again.
If you can’t get the contacts clean or if you are still having trouble, you can simply replace the door.
This part will fit both FlexTT5 and FlexTT6 radios and will work for Nikon, Canon, or Panasonic versions.
Note: Be sure to just pop off the top left corner of the battery cover. Sometimes it can be very stiff the first time you take it off. Using your finger or a small screwdriver is usually best.
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