Delta EB3000 Series User Manual page 375

Chapter 9 Warning and Fault CodesEB3000
Abbreviated
ID No.
Fault Code
89 oL3
Action condition
Action time
Fault treatment parameter N/A
Reset method
Reset condition
Record
Cause
The load is too large
Accel./ Decel. time is too
short
V/F voltage is too high
Not enough drive capacity
Abbreviated
ID No.
Fault Code
90 StL4
Action condition
Action time
Fault treatment parameter N/A
Reset method
Reset condition
Record
Cause
Incorrect Pr.04-10 setting
STO delayed deactivation
time is too long
Abbreviated
ID No.
Fault Code
91 StL5
Action condition
Action time
Fault treatment parameter N/A
Reset method
Reset condition
Record
Cause
STO is non-active
Display on
Fault Name
KPED-LE02
IGBT overload
Action and Reset
Software detection
Immediately act
Manual reset
Resets immediately
Yes
Check if the drive specifications match the load.
Increase the setting values for Pr.00-71–Pr.00-78 (accel./ decel. time)
Decrease the setting values for Pr.03-51–Pr.03-56 (V/F curve)
Choose a drive model that matches the capacity.
Display on
Fault Name
KPED-LE02
STO loss 4
Action and Reset
When Pr.04-10 = 7, STO circuit is not OFF after RUN command disappears.
Pr.04-14 STO Sticking Detection Time
Cycle the power.
N/A
Yes
If this is an application for continuous activation of STO circuit, set Pr.04-10=4.
Check if the STO circuit is deactivated too slowly or Pr.04-14 detection time is set too
short.
Display on
Fault Name
KPED-LE02
STO loss 5
Action and Reset
STO is non-active continuously for more than 24 hours.
Immediately act
Manual reset after removing STO terminal
N/A
Yes
Check if short circuit occurs on STO terminals (E24V-STO1-STO2)
IGBT overload occurs during low-speed
operation
Corrective Actions
Contacts stick on STO hardware circuit
(cannot be reset)
Corrective Actions
STO is not active for more than 24 hours
Corrective Actions
9-44
Description
Description
Description
<Go to List of Fault Codes>