Terex TB44 Manlift intermittent control problem

Machine is a Terex TB44 man lift. The problem I am having with this machine is that the controls in the basket will intermittently stop responding/not work at all. When the controls do fail, the functions on the ground control panel all work fine.

When the controls are dead in the control panel, everything is dead. The red emergency shut off switch will not shut the machine down, none of the joystick controls or toggle switches do anything.... etc. Sometimes simply pushing down on the...

Terex TB44 Manlift intermittent control problem

Terex TB44 Manlift intermittent control problem