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© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Error Codes of Alarm 300500 4
After the error codes 1 listed below an error code 2 may be specified. This must
be interpreted as the hexadecimal number of the terminal block/module.
Error code 0001H
Error text Error in P:-RAM
Extension 1
-
Extension 2 Incorrect address
Explanation When the program memory was being tested during power-up, it was detected that the
written bitmap could not be read back.
Cause: Hardware error on control module.
Error only occurs with drive software V1.x (EPROM version). The error has been
replaced by system errors F034 and F035 in subsequent download versions.
Remedy Replace the control module
Error code 0002H
Error text Error in X: or Y:-RAM
Extension 1
-
Extension 2 Incorrect address
Explanation When the data memory was being tested during power-up, it was detected that the writ-
ten bitmap could not be read back.
Cause: Hardware error on control module.
Remedy Replace the control module
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