BENE PORTS Instructions De Montage Et D'utilisation page 62

OPERATION. POSSIBLE PROBLEMS
Display does not function (but buttons do)
possible reasons
Cable is defective
Display is defective
Microcontroller is defective
Manual controller is defective
Buttons do not function (but display does)
possible reasons
Cable is defective
Manual controller is defective
Buttons were pressed during start-up
Manual controller does not function (neither display nor buttons)
possible reasons
Cable is not plugged in
Cable is not plugged in correctly
Poor electrical contact
Cable is defective
Remedy
Exchange the manual controller.
Exchange the manual controller.
Exchange the manual controller.
Exchange the manual controller.
Remedy
Exchange the manual controller.
Exchange the manual controller.
Unplug the manual controller and then plug it back in without
touching the control panel.
Remedy
Plug the cable into the socket provided (marked "MC").
Unplug the cable and then plug it back in correctly.
Exchange the manual controller.
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