HEIDENHAIN ITNC 530 - Page 48

4 – 48 HEIDENHAIN Service Manual iTNC 530
Handwheel not
ready x
x = ...
 A: Handwheel not attached
 B: No agreement between Handwheel
identification and MP 7640
 C: x Contamination (x = axis)
 D: Transmission error during receipt
 E: Received BCC check sum incorrect
 F: Handwheel recognized wrong
identification
 G: Handwheel recognized wrong BCC
checksum
 H: Handwheel is signaling transmission
error
 I: Handwheel is signaling wrong number of
initializing parameters
 J: Handwheel is signaling wrong value of
initializing parameters
 K: Transfer error while sending
 L: Handwheel recognized wrong axis
number of the secondary axis
 M: New data received during evaluation
 N: Undefined error code
 Connect a handwheel.
 Check the cables.
 See “Handwheel” on page 24 – 399.
No connection to
network
 The connection to the NFS server was
interrupted.
 Check whether the NFS server is available
 If necessary, inspect the connections, the
cables and the Ethernet card.
Check the position
encoder %.2s
 Contradiction apparent from comparison of
position before power-off and after power-
on of the line voltage.
 Inform your service agency.
 See “Position Encoders” on page 18 – 277.
MC +5V LE out of
tolerance
 The 5V power supply of the LE is outside the
permissible tolerance range.
 Inform your service agency.
 See “Power Supply” on page 17 – 251.
 See “Error Localization by Process of
Exclusion” on page 6 – 66.
 See Service Manual Inverter Systems and
Motors.
MC standstill
monitoring %.2s
 See standstill monitoring err. in %2  See standstill monitoring err. in %2.
MC amplitude too
high %.2s
 See "Amplitude too high at position encoder
%1"
 See "Amplitude too high at position encoder
%1".
MC amplitude too
low %.2s
 See "Position encoder %2: Amplitude too
small"
 See "Position encoder %2: Amplitude too
small".
Op
. state of MC
not eq
ual CC
 The automatic SRG, SBH, and SH operating
states of the MC and CC are compared
cyclically. If the values remain unequal for
longer than 500 ms, a Stop 1 is released.
 Switch on the machine and acknowledge
the error message with CE.
Error message Possible cause of error Measures for error diagnosis and/or
corrective action
Additional information and descriptions in
the manual
Additional information and descriptions in
the manual