ESM 2000 Unit was supplied to Swift by Plug in Systems now Bonus Plug-In-Systems part of the Bonus Electrical group http://www.bonus-group.co.uk can help your help.
The ESM 2000 units were supplied to Swift by Plug in Systems now Bonus Plug-In-Systems, part of the Bonus Electrical group http://www.bonus-group.co.uk. They may be able to help you.