Error Code And Troubleshooting Instructions - Delta VFD7A5MS23ANSHA User Manual

17-7

Error Code and Troubleshooting Instructions

17-7-1 Error Code Description
Refer to Pr. 06-17 ~ Pr. 06-22 for fault record, wherein STO relevant error code is 72 / 76 / 77 / 78, the
definition is as follows and Table 4:
Fault Record 1
Fault Record 2
Fault Record 3
Fault Record 4
Fault Record 5
Fault Record 6
Settings
72: Channel 1 (S1~DCM) safety loop error (STL1)
76: Safe torque off (STo)
77: Channel 2 (S2~DCM) safety loop error (STL2)
78: Internal loop error (STL3)
Error code
(STO)
(STL1)
(STL2)
(STL3)
Chapter 17 Safe Torque Off FunctionMS300 (High Speed Model)
Name
76
Safe torque off
72 Channel 1 (S1~DCM)
safety loop error
77 Channel 2 (S2~DCM)
safety loop error
78
Internal loop error
Table 4: Error code description
Safe torque off function active
S1~DCM internal
S2~DCM internal
S1~DCM and S2~DCM internal
detected error
17-9
Description
loop
detected error
loop
detected error
loop