Led light keeps flashing even when the battery is new

You are aware that the indication LED is supposed to work that way correct? If you do not know, the circuit is supposed to make the LED blink once when the unit is turned on. The speed at which the LED returns to the OFF state tells you approximately how much life is left in the battery. Ultimately when the battery is drained too much for normal operation, the LED will stay lit until the battery is nearly dead. That only explains the correct operation of the LED which sounds like what you are describing. So the only way you can know for sure if the transmitter is working is with a matching receiver that you know works. Unfortunately if there is no indication at all at the receiver, its difficult to tell whether the transmitter or receiver is at fault.

fishman built in guitar tuner YouTube

http://www.fishman.com/files/ft_1_clip_on_tuner_user_guide.pdf

More than likely you need a new battery those can be cheaply had if you buy 12 piece tea lights with LEDs they have CR2032 in them that's a lithium battery

try opening it up and pinching the two prongs around the patch cord to tighten it up. My bass was cutting out for a while and giving out no sound till i did that

Is the battery installed in correct polarity? If so- try rotate it in position to rub through potential corrosion.

Since it has a remote battery, it would not hurt to look at the installation to make sure no wires are broken. Especially the ground wire to the pickup.

It might also be a good idea to apply some contact cleaner to the output plug since it is in the power circuit. Cycle the plug in and out a few times to clean the contacts. Also some contact cleaner to the preamp controls would be useful.

Be aware some lubricants may contain silicone and that can interfere with wood finishes or repairs to the finish in the future.

Check the burned out LEDS with a 3 volt battery- a computer bios battery works well for these.

If they do not light, which is likely, just replace them with similar sized units. You can even change their color too. Measure the voltage at the LED sodler pads to see if it is more than 3 volts, if it is, add a resistor to drop the voltage and limit current to the replacements. Digikey sells them, and they ship around the world http://www.digikey.com or Mouser, Both are based in the US, I am not sure what Mouser's international shipping is. http://www.mouser.com

If there is no voltage at the LED pads, look for bad solder connections, or burned out resistors. If the few remaining LEDs still operate as they should, the level meter chip "should" be okay.

Hi. I had the same problem and fixed it by clearing all the phrases. An explanation of how to do this is below (written by someone else, not me) But, expect your guide beat to now sound like a fuzz instead of a drum. This really sucks and there is apparantly no fix for the guide sound except to send it back to Boss. Good luck.

1. Start by selecting Phrase 1.

(if the 'REVERSE' or 'AUTO START' are lit press them off.)

2. Select 'INST & MIC' by pressing 'MODE'

3. Hold down 'EXIT' and 'AUTO START' together - at the same time, this should light up the green LED for 'LOOP PHASE'

4. Hold down 'WRITE' and 'EXIT' together
then hold 'WRITE' on its own
then 'WRITE' and 'EXIT' together again...as if you were clearing a phrase.

they should light up in red and flash, if not try a combo of section 4.

5. Repeat on all Phrases 1 - 11.

Hi
Simply turn the tuner on using the power button. Play an open string note close to the tuner (no more than about 1/2 metre away) - for instance the low E on string 6.
The built in microphone will pick up the sound and, if your guitar is reasonably close to being in tune the led light labelled 'E' will illuminate on the lower scale on the tuner along with one of the three other leds to indicate whether the note is flat (b), in tune (green) or sharp (#).
Due to harmonics any or all of these three leds may flash but it is the one that is on the most that matters.
Adjust the tuning peg until the green is on constantly when you play the string.
Move on to the next string
Note - if the string is more than a semitone sharp or flat a different light may flash (e.g if the low E string is 3/4 of a tone flat the D light will come on).
If you wish to tune your guitar to another instrument that is not at perfect pitch (and perhaps cannot be easily adjusted - like a pipe organ) you can use the calibrate button to adjust the setting of the tuner. This temporary recalibration will be lost when the tuner is turned off.

Before turning the unit on, press and hold down the calib/batt switch to check the condition of the battery on the battery meter.

Then either plug in your electric guitar to the input side of the AG-6 or if tuning an acoustic guitar without electronics placing the AG-6 near the front of the guitar should work. You will not need to press a button to select which string you are about to tune. The AG-6 will detect it and the corresponding light will turn on when it is tuned within range.

Turn on the AG-6 and start by striking the low E (thickest) string while open. This is the number 6 string or 6E. Slowly turn the guitars low E tuning key untill the red LED below the 6E marking on the AG-6 lights up. Continue stricking the open string and turning the key untill the needle centers on zero and the 6E light remains on.

Repeat this for the open A string untill the 5A light turns on and the needle centers on zero.

Repeat for the remaining four strings, 4D 3G 2B and 1E, being careful not to over tighten and break them.

Tip: It may be a good idea once the low E string is tuned, to tune the rest manually, especially new strings or strings way out of tune. Then tune again using the AG-6 tuner.
.
If installing fresh strings you will probably need to stretch each string and re-tune, possibly several times, before they hold their tuning.

Often, the flashing green light indicates that the tuner is NOT receiving a signal and is a warning that the tuner is turned on.

First thing is to check if you have normal output from the guitar from the pickup. If the output is normal, there MAY be a failure in the tuner.

ALSO, just because a battery is new doesn't mean the battery isn't depleted... either try another from a different batch or use a voltmeter to check it. I have seen people chasing their tails due to a brand new bad battery.

When you select the tuner does the audio OUT of the guitar cut off as it is supposed to?