Our offices will be closed on Monday 21st June for a company holiday. We are giving everyone the day off to say thank you for their commitment, dedication and hard work throughout the COVID-19 pandemic.
Our offices will reopen as usual on Tuesday 22nd June.
In most cases this means the fuse in the battery compartment has blown. Usual cause of this is pressing the AUTO test button when the tester is detecting more than 30V leaking back to Earth. Replace fuse with correct item from Seaward (part number 27B137).