24 - EnglishMenu functions Operator's Manual RC 455Error message (7)“No contact Check the CAN cable”Cause (7)The CAN cable, or its connector is damaged, whichresults in the hydraulic unit not being possible to controlvia the remote control.Action (7)Press OK to acknowledge the error message. Check thecable and connector and replace if damaged. Contact theservice personnel if the fault remains.Error message (8) - applies to units equipped with aradio system“No radio contact”Cause (8)The radio contact between the hydraulic unit and remotecontrol is not working.Action (8)Several actions may be necessary to rectify the fault:• Ensure (via the operations menu - settings - radio id)that the identity number is greater than 0.• Make sure that the hydraulic unit has been started.• Move closer to the hydraulic unit to prevent longdistances or reinforced walls.Restart the remote control. Contact the service personnelif the fault remains.