Safety light flashing?

henderson sprint s550n garage door opener safety light flashing what is wrong?

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how can i retension henderson garage doof?

henderson garage door wont stay up lost tension even though ive bought new spares. what else can i do

henderson garage door sprint s 550n?

My garage door has stopped working. When i press they keyfob i can here the motor running but the unit does not apper to engage with the chain and travel along the housing , any ideas on how to fix th ... more

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motor stopped after trying to close?

supports for side roller guides were being pulled from the ceiling -just secured by 3 long nails!I hammered them back in place, no real resistance to this, then put brackets underneath to keep the sup ... more

henderson garage door wont stay up?

wire slings on rollers got entangeled when i untangled them,which ment i had to take them off the rollers.when i re-fitted them the garage door lifted and just came straight down,how do i get tension ... more

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Garage door repair?

How do I replace the tension on the spring on a Henderson up and over garage door

Henderson Garage Doors (automatic) Sprint Motor Remote Control Programming?

I have a new remote opener for the above, it needs to be programmed from the "sprint" driver motor, how do I do this?

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I cant get the remote for my garage door to work?

The remote for my garage door stopped working ,I replaced the battery and tried to reprogram it following the instructions in the manual but cant get it to work. Its a Henderson door system

how can i fix my garage door, the handle doesn't work anymore!?

my henderson garage door is shut and the handle doesn't work, seems that it's become disconnected to the locking bolt at the top.

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