19.25
Diagnostics
19.25.1
LED status display
On its front, the inverter indicates the "STO active" device state via the right "RDY" LED.
You can gather the meaning of the "RDY" and "ERR" LEDs (left side) from the following two
tables:
LED "RDY" (yellow)
State
Meaning
off
-
No status message active
On (yellow)
-
Restart acknowledgement requested
Blinking yellow 2 Hz
SOS active
Blinking yellow 1 Hz
Service state
Parameter set transfer requested.
"ERR" LED (red)
State
Meaning
off
-
The device is working correctly.
on (red)
Critical device error
The device is defective and must be replaced.
Blinking red 2 Hz
Bus error
Safety communication interrupted.
Blinking red 1 Hz
Error detection in the safety system
One of the following errors has been detected:
•
Speed exceeded
•
Discrepancy of the inputs
•
Acknowledgable errors
19.25.1.1 LED status during parameter set transfer
LED "RDY" (yellow)
"ERR" LED (red)
Meaning
On
Blinking 1Hz
At start-up, a modified parameter set has been detected. Acknowl-
edge with button S82.
LED "RDY" (yellow)
"ERR" LED (red)
Meaning
on
Blinking 2 Hz
A modified safety address has been detected during the parameter
set transfer in the "Init" state. Acknowledge with button S82.
19.25.2
Error history buffer
Parameter
Address
Name / setting range / [default setting]
Info
0x2130:001
Fault history: Actual fault type
•
Read only
0 No response
1 Fault > CiA402
2 Warning
Safety functions
Diagnostics
LED status display
453
Summary of Contents for i950 Series
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