• DOK-DIAX02-DDS02.1*ANA-ANW1-EN-E1,44 • 12.96
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9. Diagnostics and fault clearance
"Absolute encoder error" (Position outside the monitoring window)
When a DDS with absolute encoder motor (multiturn) is switched off the
instantaneous actual position is stored. When the unit is powered up again,
this position is compared with the position detected by the absolute encoder
evaluation. If the deviation is outside the absolute encoder monitoring
window parametrized in the "Operating Modes, Scaling" menu, message no.
"76", "Position outside the position monitoring window" is signalled.
Remedy:
Danger!
The axis has been moved while shut down and is outside the
parametrized "absolute encoder position window". Check
whether a start-up command will cause any damage.
– Reset the error using button S1 (see Fig. 15).
– If error 76 cannot be reset, there is a feedback error and the motor
needs to be replaced.
"Program RAM error"
The memory modules in the drive controller are checked during initiali-
zation. If an error is detected during this check, the above message will
be signalled.
Cause:
Hardware error in the controller.
Remedy:
Replace the controller.
"Data RAM error"
The memory modules in the drive controller are checked during initiali-
zation. If an error is detected during this check, the above message will
be signalled.
Cause:
Hardware error in the controller.
Remedy:
Replace the controller.
"Error reading drive data"
The operating software reads data from an EEPROM in the drive
controller during initialization. If this is not successful, the above mes-
sage is signalled.
Cause:
Hardware error in the controller.
Remedy:
Replace the controller.
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