Delta VP3000 Series - Page 558

Chapter 8 Troubleshooting｜VP3000
549
ID No.
Fault Name
Descriptions
80
Safe torque off 2
(STO2)
The action time difference between Channel 1 and Channel 2 are too large and
Channel 2 activates.
Action and Reset
Action Condition
There is action time difference between two channels
Action Time
Pr. H0-12
Fault Treatment Parameter
Pr. H0-11
0: STO Fault
1: Fault at Run; Warning at Stop
2: STO Warning
3: No STO Display at Stop
Reset Method
Pr. H0-14 = 0, manually reset.
Pr. H0-14 = 1, auto reset
Reset Condition
Channel 1 and Channel 2 return to no action level
Record
Yes
Cause
Corrective Actions
Channel external appliance
problems
1. Check whether Channel 1 and Channel 2 use appliance as input, and
whether there is time difference in the appliance action time; replace the
appliance with the same action time.
2. Check whether the appliance is broken.