Troubleshooting and fault rectification
Fault | Possible cause | Remedy |
Controller not functioning | Fuse faulty Power supply unit faulty Mains power supply interrupted | Replace fuse Replace power supply unit Check and ensure power supply |
No analogue signal | Fuse faulty Loose contact on terminal | Replace fuse Check terminal assembly |
Pneumatic valve not switching | Loose contact on terminal Pneumatic valve faulty | Check terminal assembly Replace pneumatic valve |
Pneumatic valve leaking | Line faulty Valve seal faulty Seal leaking on screw connection | Replace line Replace valve Replace seal |
Display not functioning | Fuse faulty Supply voltage to the display interrupted Display faulty | Replace fuse Check electrical connection of the display Replace display |
Communication fault on display | Loose contact on data cable
Controller fixed | Check data cable connections Switch the controller off and back on, replace if necessary |