JVL MIS17 Series User Manual page 176

7.2
7.2.20 Error message 'CVI unstable'
Message no. / Message
Type / Motor action
Error condition
Possible cause of this error • Unstable power supply
Solutions to avoid error
How to return to normal
operation
Error bit / Firmware name
7.2.21 Error message 'Motor driver overload'
Message no. / Message
Type / Motor action
Error condition
Possible cause of this error • The motor have been forced up to an extreme speed by an ex-
Solutions to avoid error
How to return to normal
operation
Error bit / Firmware name
176 JVL Industri Elektronik A/S - User Manual - Integrated Stepper Motors MIS17x, 23x, 34x, 43x
Error messages
17 / 'CVI unstable'
Unrecoverable error / Motor is set in Passive mode.
The supply voltage at the CVI terminal have been below what is
specified as minimum voltage.
• Supply cable have been infected by surges/noise from other ca-
bles nearby
• Make sure that the power supply is dimensioned safely.
• Make sure to use screened cable to avoid influence by noise
from external sources or nabour cables with a significant high
level of noise such as supply cables to large motors or ultra-
sound welders.
• Cycle power
• Make a software reset
Bit 17
18 / 'Motor driver overload'
Unrecoverable error / Motor is set in Passive mode.
A too high current in the motor windings have been detected.
ternal force making it impossible to control the current.
• Unstable power supply.
• Internal error.
• Make sure to avoid that external forces to exceed 3000 RPM
since the MIS motor is defenceless in this situation and can
cause permanent damages.
• Make sure the power supply is properly dimensioned.
• If none of above - consult your JVL representative.
• Cycle power
• Make a software reset
Bit 18