9.3.30 ALARM 31 Motor Phase V Missing
Cause
Motor phase V between the drive and the motor is missing.
Troubleshooting
WAR N I N G
HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input , DC supply , or load sharing. Failure to perform installation ,
start-up, and maintenance by qualified personnel can result in death or serious injury.
-
Only qualified personnel must perform installation, start-up, and maintenance.
• Disconnect power before proceeding.
• Remove the power from the drive and check motor phase V.
9.3.31 ALARM 32 Motor Phase W Missing
Cause
Motor phase W between the drive and the motor is missing.
Troubleshooting
WAR N I N G
HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input , DC supply , or load sharing. Failure to perform installation ,
start-up, and maintenance by qualified personnel can result in death or serious injury.
-
Only qualified personnel must perform installation, start-up, and maintenance.
• Disconnect power before proceeding.
• Remove the power from the drive and check motor phase W.
9.3.32 ALARM 33, Inrush Fault
Cause
Too many power-ups have occurred within a short time period.
Troubleshooting
• Let the unit cool to operating temperature.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® AQUA Drive FC 202
AQ262141056213en-000101 / 130R0882
142 | Danfoss A/S © 2018.10
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