How To Avoid Common Programming Mistakes with the Promax+ Panel

Ellard
Aug 29
3 min read

The Promax+ panel is a versatile and reliable controller, but like any system, correct programming is essential to ensure smooth operation. Installers often encounter the same recurring issues during setup — problems that can be easily avoided by following the right procedures.

This guide highlights the most common mistakes made when programming the Promax+ and explains how to fix them. From setting run times and digital limits through to correct jumper positioning, each section provides step-by-step instructions to help you save time on-site and deliver trouble-free installations.

Setting Run Time for Mechanical Limits

If the run time is not programmed, the shutter won’t run as expected, often stopping in random positions between the set limits. This can cause unnecessary frustration on-site, but it’s simple to avoid by following the correct procedure during the panel’s programming.

How to set the run time:

Bring the shutter down to the closed position.
Press and hold the programme up button until the LED above illuminates.
Release the button, then press the up button once.
The shutter will automatically run to its open limit.
When it reaches the limit, the LED will flash and then go out.
Press and hold the programme down button until the LED above illuminates.
Release the button, then press the down button once.
The shutter will automatically run to its closed limit.
When it reaches the limit, the LED will flash and then go out.

Once this process is complete, the run time is set, and the shutter will operate smoothly within its defined limits.

Setting Digital Limits When an Optical Safety Edge is Fitted

Another common mistake comes when setting digital limits without considering the safety edge. The Promax+ has an autodetect function that identifies the type of safety edge connected. This means if you set your digital limits before fitting the safety edge, you’ll need to reprogram them once it’s installed.

Option A: With an Optical Safety Edge

How to set digital limits with an optical edge:

Press and hold the programme up button until the LED above illuminates.
Release the button, then press and hold the up button until it reaches the desired height. (Please note the shutter and panel are operating in Deadman mode for this procedure)
Once the shutter is open, press the programme up button again.
The LED will flash and go out.
The top limit is now set.
Press and hold the programme down button until the LED above illuminates.
Run the shutter down to the desired closed position.
Once in place, press the programme down button once. The LED will flash and go out, and the close limit is now set.

Option B: With a Wireless Safety Edge (RSEC Card)

When setting up a wireless safety edge, the process is very similar — but the first step is to pair the RBand receiver with the RSEC card.

To do this:

On the RBand plug-in, press and hold the programme button until you hear a beep.
Release the button, then press the button on the bottom slat transmitter once.
You’ll hear a second beep confirming the pairing.
To exit programming, either wait 10 seconds for it to time out automatically, or press the programme button on the receiver once more.

Once pairing is complete, follow the same procedure outlined in section two above to relearn the digital limits for correct safety edge configuration.

Jumper Positioning for Mechanical vs Digital Limits

Another common issue arises when the safety chain jumper is placed on the wrong selection pins, depending on whether the motor is configured for mechanical or digital limits. If this is set incorrectly, the panel will not operate or even allow the limits to be programmed.

For digital encoder limits

Set DIP switch 2 to Encoder ABS.
Place the jumper on the middle and left-hand side pins marked ABS SAFETY CHAIN.

For mechanical limits

Set DIP switch 2 to Mechanical Limits.
Place the jumper on the right-hand side pins marked NO SAFETY CHAIN.

When the Panel Will Not Operate Within Mechanical Limits

If the panel still refuses to operate within mechanical limits, check the following:

If both LIM.OP and LIM.CL LEDs are illuminated, it indicates an open stop circuit from the motor.
The cause may be one of the following:
The manual hand chain microswitch
The emergency limits
The safety brake cable
In exceptional circumstances, the motor's thermal fuse