Siemens SINUMERIK 840D sl Series Diagnostics Manual page 981

08/2005
Extension 2 -
Explanation An illegal internal physical axis number was detected during software processing.
Possible causes: Defective control module, EMC interference
Remedy Replace the control module. Check cable connections, perform remedial measures
(check shielding or ground connection).
Error code 0026H
Error text Servo declared FSD as MSD.
Extension 1 -
Extension 2 NC drive number
Explanation The NC is attempting to register an FDD module as an MSD. Possible communication
failures on the drive bus or control module defective.
Remedy Replace the control module. Check the cable connections. Perform remedial measures
(check shielding or ground connection).
Error code 0027H
Error text Servo declared MSD as FDD.
Extension 1 -
Extension 2 NC drive number
Explanation The NC is attempting to register an MSD module as an FDD. Possible communication
failures on the drive bus or control module defective.
Remedy Replace the control module. Check cable connections, perform remedial measures
(check shielding or ground connection).
Error code 0028H
Error text Incorrect IPU_submodule plugged into direct measurement system.
Extension 1 Read K1C register of the relevant PCU ASIC.
Extension 2 NC drive number
Explanation Only certain submodules are permitted for the direct measurement system. An illegal
submodule has been detected.
Remedy Replace the control module. Check cable connections, perform remedial measures
(check shielding or ground connection).
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Error Codes of Alarm 300500
4-981