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Fault codes and software
email: [email protected] Tel: +358 (0)201 212 575 Fax: +358 (0)204 335 091
87
4
F2
Over
volt-
age
fault
S1
1=Power
2=Power
1
3=Power
2
1=Unit
Information
from the ASIC
circuit. Voltage
level too high.
Signal: ASIC-
UTR.
1. Check the process
control.
2. Check the parame-
ters.
-Braking time too fast.
- Overvoltage controller
disabled.
3. Check the unit type,
does it include a brake
chopper and a resistor.
S2
1=Power
1=Unit
U^2*t protec-
tion. In the unit
690V, DC-link
voltage has been
over 1100V too
long time. Over-
voltage protec-
tion of DC-link
capacitors.
1. Check the parame-
ters.
- Change longer Decel-
eration time
- Check if the brake
chopper is in use
2. Reboot the unit.
3. Defect apperas out-
side of the unit:
- Mains changes (voltage
spikes in supply volt-
age).
- Check the motor load
and dimensions.
- Break resistor too
small.
TABLE 16.
System software fault codes
Code
Sub
code
Module
Sub
module
Explanation
Fault mode
Содержание NX
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