Corrective maintenance
9.2 Replacing inverter components
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
291
13.Switch the inverter power supply on again.
The inverter reports the faults F01641, F01650, F01680 and F30680. Ignore these faults,
as they will be automatically acknowledged by the following steps.
14.Set p0010 to 95.
15.Set p9761 to the safety password.
16.Set p9701 to AC hex.
17.Set p0010 = 0.
18.Back up the settings so they are not lost when the power fails:
–
For BOP-2 in the menu "EXTRAS" - "RAM-ROM".
–
IOP in the menu "SAVE RAM TO ROM".
19.Switch off the inverter power supply.
20.Wait until all LEDs on the inverter are dark.
21.Switch the inverter power supply on again.
22.Perform a reduced acceptance test
Reduced acceptance test after function expansions (Page 163)
You have replaced the Control Unit and transferred the safety function settings from the
operator panel to the new Control Unit.
❒
9.2.4
Replacing the Control Unit without the safety functions enabled
Replacing a Control Unit with data backup on a memory card
If you use a memory card with firmware, after the replacement, you obtain a precise copy
(firmware and settings) of the replaced Control Unit.
Precondition
You have a memory card with the actual settings of the Control unit to be replaced.
Procedure
1.
Disconnect the line voltage to the Power Module and (if installed) the external 24 V
supply or the voltage for the digital outputs of the Control Unit.
2.
Remove the signal cables from the Control Unit.
3.
Remove the defective Control Unit.
4.
Mount the new Control Unit on the Power Module. The new Control Unit must have the
same article number and the same or higher firmware version as the Control Unit that
was replaced.
5.
Remove the memory card from the old Control Unit and insert it in the new Control Unit.
6.
Reconnect the signal cables of the Control Unit.