Siemens SINUMERIK 802S Technical Manual page 40

Installing the STEPDRIVE
3.4 Error messages and error elimination
LED
Name Color
RDY green the only LED
that is lit
DIS yellow the only LED
that is lit
FLT red is lit
TMP red is lit
all No LED is lit No operating voltage
3-6
Meaning
Drive ready
Drive ready; motor not powered
There is one of the following
errors:
- Overvoltage or undervoltage
- Short-circuit between the
motor phases
- Short-circuit between motor
phase and ground
Overtemperature in the drive
Remedy
If the motor does not rotate, it can
have the following causes:
- No pulses are output by the
control system.
- Pulse frequency too high
(motor is "out of step")
- Motor load too large or
sluggish
Activate ENABLE signal via CNC
Measure 85 V operating voltage
Check cable connections
Drive defective; replace
Check cable connections
SINUMERIK 802S base line
Start-Up