The ladder can be used either fully erected or partially erected.
To enable the ladder to lock when partially erected ensure the second from bottom rung is first locked in place and then pull up each rung as required from the bottom upwards
 If there are any further problems please do not hesitate to contact us
Always ensure all locks are in place before use.
WARNING! Failure to adhere to the warnings and instructions contained in the product manual and on the product could result in serious or fatal injury.