GARAGE DOOR WON'T OPEN? CHECK THE BATTERIES IN YOUR REMOTES.
If your remote transmitters are beginning to work intermittently, or not at all, it may be time to change the batteries. In normal residential use of remotes, the batteries typically last about two years. Here are a few simple steps to get your Raynor controls powered up again.
These Raynor remote models are among our most popular. Other models have similar battery locations and utilize similar battery types. Check the old battery to be sure.
Raynor Hand-Held Transmitter Model Max 3

When the battery is low and needs to be replaced in a Raynor Max 3 remote, the LEDs will stop flashing when you press the control buttons.
To replace the battery:
1. Use the metal clip to carefully pry the case open. Remove old battery.
2. Insert new battery positive side up (+) and re-close the case. Dispose of old battery properly.
Replacement battery type for this model: 3V CR2032
Raynor Wireless Keypad Model Max Universal
In general, the battery is low when the keypad buttons become dim or no longer light up when pressed.
- Open the battery cover and remove the old battery.
- Insert new battery, clipping it firmly. Replace cover.
Replacement battery type for this model: 9V