To Next PageTo Next PageWhat to do if my DoorHan Sectional-1200Sectional-750 remote control doesn't work?
If your DoorHan Gate Opener isn't responding to the remote, it could be due to a couple of reasons. Either the remote control code hasn't been recorded, in which case you should re-record the remote control, or the remote control battery is low, so try replacing the battery.
Why is my DoorHan Gate Opener not working?
If your DoorHan Gate Opener isn't working, check these common causes: First, ensure that the power is on. If the power is on, the fuse might be blown, and you'll need to replace it.
What to do if my DoorHan Sectional-1200Sectional-750 door suddenly stops and the «F» light is on?
If your DoorHan Gate Opener door stops suddenly and the «F» indicator is lit, it could be due to an obstruction in the door's path or jammed mechanics. Check the door mechanics and remove any obstacles. Another possibility is an unstable power supply, so check the supply voltage.
Why is the remote control sensing distance too small for my DoorHan Sectional-1200Sectional-750 Gate Opener?
If you're experiencing a reduced sensing distance with your DoorHan Gate Opener remote, the most likely cause is a low battery. Try replacing the battery supply in the remote control.
Why is the sound alarm on my DoorHan Sectional-1200Sectional-750?
If the sound alarm is active on your DoorHan Gate Opener, it could be due to these reasons: The door might be open, so close the door. Alternatively, it could be an audible warning indicating that the system has reached 2000 cycles and needs maintenance; in this case, turn the power off and then turn it back on.
What to do if my DoorHan Sectional-1200Sectional-750 door doesn't reach the end position or doesn't work?
If your DoorHan Gate Opener door isn't reaching the end position or isn't working at all, it might be due to an error during programming. You should perform programming.
What to do if the guide chain moves, but the DoorHan Gate Opener door does not move?
If the guide chain is moving but the DoorHan Gate Opener door isn't, the carriage might be disengaged and not connected to the chain support. Align the carriage with the support and engage the carriage.
Why does the chain generate noises and frictions with the guide of my DoorHan Sectional-1200Sectional-750 Gate Opener?
If the chain on your DoorHan Gate Opener is generating noises and friction with the guide, it's likely that the chain has elongated. Lubricate the chain gearwheel and tension the chain.
What to do if my DoorHan Gate Opener door works intermittently, but the indicator lights «H»?
If your DoorHan Gate Opener door is working intermittently and the indicator light «H» is on, it indicates an electronics failure due to high humidity. Clean the control board (by technician).
Why is a creak audible when my DoorHan Sectional-1200Sectional-750 system is working?
If you hear a creak when your DoorHan Gate Opener system is running, it's probably due to a lack of lubrication of the guide chain after prolonged working. Lubricate the chain.
General| Brand | DoorHan |
|---|---|
| Model | Sectional-1200Sectional-750 |
| Category | Gate Opener |
| Language | English |
Important safety regulations and precautions for installation, operation, and maintenance.
Guidelines for safe handling and installation of electrical connections and cables.
Diagram showing the wiring connections for the control block and associated components.
Prepare for programming and set upper/lower door positions.
Steps to add new remote controls and program Doorhan remote controllers.
How to manually open the door using the operator's built-in releasing mechanism.
Lists common operational issues and their corresponding solutions for the operator.
