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National Garage Merlin M842 Coding Instructions page 2

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Trouble Shooting For Recently Purchased Remotes
Sorry to hear about your trouble in programming your new remote. Please follow these simple steps to resolve your issue. Start at
Do your new remotes you purchased look the same as the original remotes that came with the motor? If they do not, this
1.
may mean that you have purchased an aftermarket remote control. The after market remotes will program in and operate
the same as the genuine remotes. You can check the original internet listing from where you purchased the remote to see if
you have selected the correct after market remote by matching it with the genuine remote.
2.
Do you have a Gliderol or Boss remote? As some of these remotes are identical looking from the outside but the circuit
boards inside are different and are not compatible. Open your remotes to check this. If they are not identical contact NGRO.
If they are proceed to next step.
Are there any lights or sounds coming out of your motor? We need to make sure your motor works. If there is an operate
3.
button press it. If there are no lights or sounds coming out of your motor, check your power supply. Plug another appliance
into the power point to test it. If power point does not work see your electrician. If motor does not work contact NGRO. If it
does works proceed to next step.
Have you located the Learn or Door Code button on your motor? *Note the Learn or Door Code is not button is not located
4.
on your remote.
Does the light on your new remote light up? If not try putting a new battery in & make sure it is in the right way! If light
5.
does still not come on contact NGRO. If light comes on go to next step.
6.
Try programming your new remote in again.
7.
Do any of your old remotes still work? Does the light on your old remote light up? If not have you changed the battery? If
light works there may be interference. Go to next step.
8.
When you press a button on your new remote does a light illuminate on your motor? If yes, you're remote is the correct
frequency for your motor. If no, you're remote may not be correct frequency for your motor.
If your motor does not have the new ATA TrioCode or B&D Tri-Tran frequency you may be getting interference. Pay TV, Old
9.
appliances, Car central locking, Doorbells, Baby monitors, Wireless headsets, Road works in the area etc can cause
interference. If you have a baby monitor or Doorbell turn them off and disconnect their battery.
10. Try programming your new remote in again.
11. If still not working try deleting all the codes out of the motor as a motor can hold only a limited amount of remotes in its
memory. Check out the other side of this page as there may be instructions on how to do this or check your installation
manual on how to do this. Alternatively jump on the NGRO website and find your manual in the down loads section.
12. If still not working Unplug your motor from the power point and leave unplugged for 5 minutes? This will reset motor. Plug
unit back in & turn on.
13. Other things that may be causing your remote/motor not to work: Have you had an electrical storm / heavy downpour
recently? This may have affected your motors circuit board & receiver.
14. How long have you had the new remote for? Did you accidently drop it? Your offspring eat or goo it? Or did someone put
it through the washing machine? Do your remotes have a fine, white residue upon the board? If so this is a sign of moisture
getting into the remote & you will need to purchase a new remote.
number 1 & follow steps to number 17 or until resolved.

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