Jäger Z45-D160.02 S5A2 Manual

Service and repairsItem no. 10301084, Revision 0836 ( 40 )14.2 MalfunctionsThe list below can be used to quickly investigate and eliminate faults.HF spindle not rotating Cause TroubleshootingNopower supplyq Check the frequency converter.q Check the machine.q Check all electrical connections.q Check all wires in the motor cable.q Activate the Start/Reset button.Thermal protection hasbeen activatedq Wait until the HF spindle has cooled down.q Check the frequency converter for error messages. If nomessages are illuminated, start the frequency converter.(See also “Spindle becomes hot [} 36]”.)Frequency converterhasshut downq Check the error messages in the frequency converter man-ual.Tool changeinitiated q Turn off the pneumatic system for the tool change.HF spindle becomes hot Cause TroubleshootingInsufficient coolingq Check the power of the chiller.q Check the water level of the chiller.q Check the connections and the cooling hoses.q Check the cooling circuit.q Check the chiller for error messages.Phase missing q Check all wires in the motor cable for cable breaks.Machining too heavyq Check the rotational direction of the HF spindle.q Check the rotational direction of the tool.q Check the tool for damage.q Reduce the machining load intensity.Frequency converterincorrectly setq Compare the values for the HF spindle with the set valueson the frequency converter.