[richyp]

Controller just flickering. Pump is working still but I can't see the screen. Van not been used in over a year. Brand new battery etc. Other controller fine. Any idea lads?

[dazmond]

Loose wire,check all connections 👍

[colin bird]

yes agree with dazmond if not used for a year bit of damp and rust will have set in on connectors pull the bullet joints and clean up and all should be good unless you have damp in controller, if thats the case take controller off and dry and room temp,dont use a hairdryer on it as that will make condensation inside controller,it that doesnt work bin it and buy new