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Keep Firing · March 23rd, 2018, 15:06

I just recently picked up a merf 3.2 FET from a local vendor to install in my new M4 DMR build. I decided to go with the full "enhanced" install which required soldering the FET trigger wires directly to the trigger switch and routing the motor wires from the FET directly to the motor.

Before I even plugged the merf into my gun, I decided to sort out all the settings using the supplied trigger switch (battery type and voltage, 3 RD burst setup/delay, etc.). I plugged in one of my 11.1v lipos (Maple Armouries 1450mAh stick type, deans wired) that I normally use in my guns into the FET, and nothing happend.

I thought maybe it was a bad connection or something so I tried wiggling the connectors, nothing. Checked the voltage of the battery, was fully charged at 12.6V. Plug the battery into my Kriss Vector, works no problem. At this point I try plugging in the other 2 lipos I have to see if they work with it (1 identical Maple Armouries and 1 Airsoft Logic 11.1V 1200mAh stick type). The other Maple Armouries one did not work, however the Airsoft Logic 1200mAh one did and the LEDs on the merf finally lit up.

Any ideas why one type of battery would work and the others wouldn't? Do I need to do some additional programming or something to get my other 2 batteries to work? I've already set the battery type to 11.1v lipo on the merf using the one battery that did work.

EDIT: Added picture of batteries below.

March 23rd, 2018, 15:06	#1
Keep Firing Trader rating Join Date: Aug 2012	GATE Merf 3.2 Lipo Issue I just recently picked up a merf 3.2 FET from a local vendor to install in my new M4 DMR build. I decided to go with the full "enhanced" install which required soldering the FET trigger wires directly to the trigger switch and routing the motor wires from the FET directly to the motor. Before I even plugged the merf into my gun, I decided to sort out all the settings using the supplied trigger switch (battery type and voltage, 3 RD burst setup/delay, etc.). I plugged in one of my 11.1v lipos (Maple Armouries 1450mAh stick type, deans wired) that I normally use in my guns into the FET, and nothing happend. I thought maybe it was a bad connection or something so I tried wiggling the connectors, nothing. Checked the voltage of the battery, was fully charged at 12.6V. Plug the battery into my Kriss Vector, works no problem. At this point I try plugging in the other 2 lipos I have to see if they work with it (1 identical Maple Armouries and 1 Airsoft Logic 11.1V 1200mAh stick type). The other Maple Armouries one did not work, however the Airsoft Logic 1200mAh one did and the LEDs on the merf finally lit up. Any ideas why one type of battery would work and the others wouldn't? Do I need to do some additional programming or something to get my other 2 batteries to work? I've already set the battery type to 11.1v lipo on the merf using the one battery that did work. EDIT: Added picture of batteries below. Last edited by Keep Firing; March 24th, 2018 at 22:06..