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Unidrive M702 User Guide            269
Issue Number: 3           
Slot4 HF Ethernet interface in slot 4 hardware fault 
250
The Slot4 HF trip indicates that the Ethernet interface in slot 4 on the drive has detected an error. The reason for the error 
can be identified by the sub-trip number.
Recommended actions:
• Hardware fault - Contact the supplier of the drive.
Slot4 Not Fitted Ethernet interface in slot 4 has been removed 
253
The Slot4 Not Fitted trip indicates that the Ethernet interface in slot 4 on the drive has been removed since the last power-
up.
Recommended actions:
• Hardware fault - Contact the supplier of the drive.
Slot4 Watchdog Ethernet interface watchdog service error 
251
The Slot4 Watchdog trip indicates that the Ethernet interface installed in slot 4 has started the option watchdog function and 
then failed to service the watchdog correctly.
Recommended actions:
• Hardware fault - Contact the supplier of the drive.
Slot App Menu Application menu Customization conflict error
216
The Slot App Menu trip indicates that more than one option slot has requested to customize the application menus 18, 19 
and 20. The sub-trip number indicates which option slot has been allowed to customize the menus.
Recommended actions:
• Ensure that only one of the Application modules is configured to customize the application menus 18, 19 and 20
SlotX Different Option module in option slot X has changed
204
209
214
The SlotX Different trip indicates that the option module in option slot X on the drive is a different type to that installed when 
parameters were last saved on the drive. The reason for the trip can be identified by the sub-trip number.
Recommended actions:
• Turn off the power, ensure the correct option modules are installed in the correct option slots and re-apply the power.
• Confirm that the currently installed option module is correct, ensure option module parameters are set correctly and 
perform a user save in Pr mm.000. 
SlotX Error Option module in option slot X has detected a fault
202
207
212
The SlotX Error trip indicates that the option module in option slot X on the drive has detected an error. The reason for the 
error can be identified by the sub-trip number.
Recommended actions:
• See relevant Option Module User Guide for details of the trip
Trip Diagnosis
Sub-trip Reason
1 The module category cannot be identified
2 All the required customized menu table information has not been supplied or the tables supplied are corrupt
3 There is insufficient memory available to allocate the comms buffers for this module
4 The module has not indicated that it is running correctly during drive power-up
5 Module has been removed after power-up or it has stopped working
6 The module has not indicated that it has stopped accessing drive parameters during a drive mode change
7 The module has failed to acknowledge that a request has been made to reset the drive processor
8 The drive failed to correctly read the menu table from the module during drive power up
9 The drive failed to upload menu tables from the module and timed out (5 s)
Sub-trip Reason
1 No module was installed previously
2
A module with the same identifier is installed, but the set-up menu for this option slot has been 
changed, and so default parameters have been loaded for this menu.
3
A module with the same identifier is installed, but the applications menu for this option slot has been 
changed, and so default parameters have been loaded for this menu.
4
A module with the same identifier is installed, but the set-up and applications menu for this option slot 
have been changed, and so default parameters have been loaded for these menus.
>99 Shows the identifier of the module previously installed.