Need to reprogram remote for navigo 401. It was dropped into water. took apart, blew out with air, cleaned with isopropyl alchol, reassembled, replaced batteries. light up with all functions, but does not operater receiver. have tried programming, but must be doing something wrong, or rf is not transmitting. any help is appreciated. thank you in advance

Replace wand or take it apart and clean trigger and seat

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I guess this is a remote control.

Remove the batteries and look around including inside the battery cover for any small screws.

Remove all screws - Even If there isn't any screws.

Next>
You need a fairly wide but thin flat bladed screwdriver to split the case. Place the blade of the screwdriver between the two casings of the remote control and gently twist the blade and the case will begin to split apart. work it loose - but don't foce it apart. Apply even pressure around the remote control with the blade of the screwdriver.

Once you have seperated the two halves - clean the rubber buttons with either Meths or Isopropyl Alcohol and also clean the circuit board with the same where the buttons make contact with the circuit board. Then reassemble. Your control should then be ok!

Remove the batteries from the remote, then gently pry apart the plastic casing. Be careful with this so you don't break the tabs which hold it together. Look for slots at the seam where they join and apply pressure there with a flat screwdriver or knife.

Be VERY aware how it fits together as it comes apart. You will need to reassemble it after all. You will probably have a rubber pad or similar that fits into the upper casing that acts as the buttons. Under this rubber piece will be a circuit board with contacts on it. Clean any milk or other residue you can find on this board using a Q-tip moistened with rubbing alcohol. Do NOT use water in here at any time. The alcohol will dry very quickly and prevent unwanted issues after reassembly. Stubborn gunk can be removed using a pencil eraser if necessary, followed by the Q-tip/alcohol treatment. Once it completely clean, carefully reassemble and replace batteries.

Cross fingers and test. If you are lucky the remote will function as normal. Otherwise it is permanently damaged and must be replaced.

take it apart, clean the carbon layer on the remote board with kerosene on smooth cloth slowly, do it on inner remote button too, and reassemble

Does it have fuel filter that you can replace?

Compressed air works well, blow it sideways across the keyboard, so that particles are not blown into the laptop.

If the keys needs cleaning, use a alchol soaked cloth and wipe light over the keys.

Obtain some electrical contact cleaner. This is an Isopropyl alcohol spray specifically made for cleaning electronics that will not leave any residue. Remove the batterys from the remote. using a very small screwdriver, carefully pry apart and separate the two plastic shells that make up the remote body. You want to spray the circuit board liberally with the cleaner on both sides to remove all water and water borne minerals. The spray will dry quickly by itself with no residue. Reassemble the remote when the board is completely dry. I just used this technique on a key fob remote for my car that had gone through the washer and dryer and it works just fine and I saved $90.

you can try reprogramming the remote to the remote start but if that doesnt work you will need to purchase a new one.

most likely you will need to pull the coil to clean the drain pan area around the coil