Technical data

Diagnosis
Operating Manual
96ID 442281.00
WE KEEP THINGS MOVING
13
13.3.27 71:Firmware
Resolution Level Response Fault counter
A firmware error was detected. Malfunc-
tion
Causes 1 and 2 only occur when the device starts
so that the inverter can not be enabled. Cause 3
can also occur during operation.
Z71
Cause Description Measure Acknowledgement
1:FW defective Only for SDS 5000: An active firm-
ware error was detected or faulty
firmware was detected in the firm-
ware download memory.
Reload the firmware using the POSI-
Tool software. Also note the Service
section.
Switch device off/on
2:Activate FW! Only for SDS 5000: The firmware
was loaded into the inverter but not
yet activated.
Activate the firmware and perform a
device restart. Also note the Service
section.
3:CRC error A firmware error was detected. Switch off the 24V supply and switch
it on again. If the error occurs repeat-
edly, contact our service department,
see section 1.4 Further support