Delta VFD7A5MS23ANSHA User Manual

Chapter 17 Safe Torque Off FunctionMS300 (High Speed Model)
17-9
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 Name Description
76
(STO)
Safe torque off Safe torque off function active
72
(STL1)
Channel 1 (S1~DCM)
safety loop error
S1~DCM internal
loop detected error
77
(STL2)
Channel 2 (S2~DCM)
safety loop error
S2~DCM internal
loop detected error
78
(STL3)
Internal loop error
S1~DCM and S2~DCM internal
loop
detected error
Table 4: Error code description

Delta VFD7A5MS23ANSHA Specifications

General

Model	VFD7A5MS23ANSHA
Protection Level	IP20
Communication Interface	RS-485
Cooling Method	Fan
Operating Temperature	-10°C to 50°C
Storage Temperature	-20°C to 60°C
Altitude	Up to 1000m without derating
Protection Features	Overcurrent, Overvoltage, Short Circuit