ABB RELION REX640 Technical Manual page 106

Section 3
Basic functions
100
GUID-6FAA2FE1-AA4A-4DF4-B1CE-55F8B00BDE33 V1 EN
Figure 22: More information about the fault
On the WHMI, internal fault information is shown under Self-Supervision Status.
GUID-D4B0F232-B2CC-49A7-9C54-5F880CDE4D34 V1 EN
Figure 23: Internal fault information on Web HMI
Table 27: Internal fault indications and codes
Fault indication
System error
File system error
Test
SW watchdog error
Table continues on next page
Fault code
2
7
8
10
1MRS759142 C
Additional information
An internal system error has
occurred.
A file system error has occurred.
Internal fault test activated
manually by the user
Watchdog reset has occurred
too many times within an hour.
REX640
Technical Manual