Genie Opener Error Code 1 blink: Meaning and Fix

Also shown as: Excelerator 1 blink, 1 Blink, Pause, One blink green
Reading the opener display
A garage door opener reports faults through blinking LEDs on the motor head, a diagnostic window on the logic board, or the wall control. Count the flashes slowly and repeat the count before you decide what you saw. Genie counts blinks on its LEDs; the number of blinks, not their speed, identifies the fault.
Genie, from The Overhead Door Corporation, signals faults by blinking LEDs on the motor head and by wall-console diagnostics. Genie blink counts differ from LiftMaster, so do not use a LiftMaster chart for a Genie opener. The codes apply to model numbers such as H8000 and ISD990; check the label on your unit to confirm yours.
What causes 1 blink
- A momentary power glitch that interrupted the drive board
- Binding rollers or hinges that make the motor labor
- A blown fuse or loose ribbon cable on the motor drive board
- A door that is out of balance, with a worn or broken spring
How to fix it
- Unplug the opener, wait five seconds, plug it back in and run it from the wall console; the first cycle runs slowly.
- If it blinks again, disconnect the trolley and check that the door lifts easily and stays about halfway open.
- Inspect the springs, rollers and track for wear or binding.
- Look at the fuse on the motor drive board and make sure the ribbon cable is fully seated in the controller board connector.
- Replace the motor drive board if the fault stays after the door and wiring check out.
Parts you may need
| Part | Part no. | Buy |
|---|---|---|
| Motor drive board | 36428R.S | Find part |
Part numbers are OEM references; confirm fit by your model number before ordering. Some links are affiliate links; we may earn a commission at no extra cost to you.
Questions
What does one blink mean on a Genie Excelerator?
The motor drive board was interrupted; reset power first, then check door balance.
Why is the first cycle slow after a reset?
Genie runs the first cycle slowly to relearn the door.
Is a bad spring the cause?
It can be. The balance sensor reports a poorly balanced door as a one-blink fault.
Other Genie opener codes
Sources
Part numbers are OEM references; confirm fit by your model number before ordering. Meanings compiled from manufacturer and parts-retailer documentation; see sources below. Unplug the appliance before opening it.
Applies to models including H8000, ISD990, ISD995, ISD1000, PRO99, CMD9900, 1022, 1024.





